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Vulnerability details: VCID-r616-sqha-pudt
Vulnerability ID VCID-r616-sqha-pudt
Aliases CVE-2016-2177
Summary Multiple vulnerabilities have been found in OpenSSL, the worst of which allows attackers to conduct a time based side-channel attack.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-190 Integer Overflow or Wraparound
System Score Found at
cvssv3 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-2177.json
epss 0.29058 https://api.first.org/data/v1/epss?cve=CVE-2016-2177
epss 0.29058 https://api.first.org/data/v1/epss?cve=CVE-2016-2177
epss 0.29058 https://api.first.org/data/v1/epss?cve=CVE-2016-2177
epss 0.29058 https://api.first.org/data/v1/epss?cve=CVE-2016-2177
epss 0.29058 https://api.first.org/data/v1/epss?cve=CVE-2016-2177
epss 0.29058 https://api.first.org/data/v1/epss?cve=CVE-2016-2177
epss 0.29058 https://api.first.org/data/v1/epss?cve=CVE-2016-2177
epss 0.29058 https://api.first.org/data/v1/epss?cve=CVE-2016-2177
cvssv2 5.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2016-2177
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2016-2177
archlinux High https://security.archlinux.org/AVG-29
archlinux High https://security.archlinux.org/AVG-30
Reference id Reference type URL
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html
http://rhn.redhat.com/errata/RHSA-2016-1940.html
http://rhn.redhat.com/errata/RHSA-2016-2957.html
http://rhn.redhat.com/errata/RHSA-2017-1659.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-2177.json
https://api.first.org/data/v1/epss?cve=CVE-2016-2177
https://bto.bluecoat.com/security-advisory/sa132
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2177
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2178
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2179
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2180
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2181
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2182
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6302
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6303
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6304
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6306
http://seclists.org/fulldisclosure/2017/Jul/31
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=a004e72b95835136d3f1ea90517f706c24c03da7
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05302448
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03763en_us
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05302448
https://ics-cert.us-cert.gov/advisories/ICSA-18-144-01
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
https://kc.mcafee.com/corporate/index?page=content&id=SB10165
https://kc.mcafee.com/corporate/index?page=content&id=SB10215
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
https://support.f5.com/csp/article/K23873366
https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03856en_us
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us
https://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24
https://www.citect.schneider-electric.com/safety-and-security-central/36-security-notifications/9134-vulnerabilities-within-schneider-electric-floating-license-manager
https://www.schneider-electric.com/en/download/document/SEVD-2018-137-01/
https://www.schneider-electric.com/en/download/document/SEVD-2018-144-01/
https://www.tenable.com/security/tns-2016-16
https://www.tenable.com/security/tns-2016-20
https://www.tenable.com/security/tns-2016-21
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160927-openssl
http://www-01.ibm.com/support/docview.wss?uid=swg21995039
http://www.debian.org/security/2016/dsa-3673
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en
http://www.openwall.com/lists/oss-security/2016/06/08/9
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
http://www.securityfocus.com/archive/1/540957/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/540957/100/0/threaded
http://www.securityfocus.com/bid/91319
http://www.securitytracker.com/id/1036088
http://www.splunk.com/view/SP-CAAAPSV
http://www.splunk.com/view/SP-CAAAPUE
http://www.ubuntu.com/usn/USN-3087-1
http://www.ubuntu.com/usn/USN-3087-2
http://www.ubuntu.com/usn/USN-3181-1
1341705 https://bugzilla.redhat.com/show_bug.cgi?id=1341705
ASA-201609-23 https://security.archlinux.org/ASA-201609-23
ASA-201609-24 https://security.archlinux.org/ASA-201609-24
AVG-29 https://security.archlinux.org/AVG-29
AVG-30 https://security.archlinux.org/AVG-30
cpe:2.3:a:hp:icewall_mcrp:3.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:hp:icewall_mcrp:3.0:*:*:*:*:*:*:*
cpe:2.3:a:hp:icewall_sso:10.0:*:*:*:certd:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:hp:icewall_sso:10.0:*:*:*:certd:*:*:*
cpe:2.3:a:hp:icewall_sso:10.0:*:*:*:dfw:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:hp:icewall_sso:10.0:*:*:*:dfw:*:*:*
cpe:2.3:a:hp:icewall_sso_agent_option:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:hp:icewall_sso_agent_option:10.0:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1a:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1b:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1b:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1c:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1c:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1d:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1d:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1e:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1e:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1f:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1f:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1g:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1g:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1h:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1h:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1i:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1i:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1j:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1j:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1k:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1k:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1l:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1l:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1m:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1m:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1n:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1n:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1o:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1o:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1p:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1p:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1q:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1q:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1r:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1r:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1s:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1s:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.1t:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.1t:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.2a:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.2a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.2b:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.2b:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.2c:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.2c:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.2d:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.2d:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.2e:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.2e:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.2f:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.2f:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.2g:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.2g:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.2h:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openssl:openssl:1.0.2h:*:*:*:*:*:*:*
cpe:2.3:o:oracle:linux:5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:oracle:linux:5:*:*:*:*:*:*:*
cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*
cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*
CVE-2016-2177 https://nvd.nist.gov/vuln/detail/CVE-2016-2177
GLSA-201612-16 https://security.gentoo.org/glsa/201612-16
RHSA-2016:1940 https://access.redhat.com/errata/RHSA-2016:1940
RHSA-2016:2957 https://access.redhat.com/errata/RHSA-2016:2957
RHSA-2017:0193 https://access.redhat.com/errata/RHSA-2017:0193
RHSA-2017:0194 https://access.redhat.com/errata/RHSA-2017:0194
RHSA-2017:1658 https://access.redhat.com/errata/RHSA-2017:1658
RHSA-2017:1659 https://access.redhat.com/errata/RHSA-2017:1659
USN-3087-1 https://usn.ubuntu.com/3087-1/
USN-3181-1 https://usn.ubuntu.com/3181-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-2177.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-2177
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-2177
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.96544
EPSS Score 0.29058
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:14:46.640496+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201612-16 38.0.0