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Vulnerability details: VCID-zmuk-dne3-aaaf
Vulnerability ID VCID-zmuk-dne3-aaaf
Aliases CVE-2017-7502
Summary Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting into denial of service by remote attacker.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-7502.html
rhas Important https://access.redhat.com/errata/RHSA-2017:1364
rhas Important https://access.redhat.com/errata/RHSA-2017:1365
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7502.json
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.01657 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.02574 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.02574 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.02574 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.02574 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.04511 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.04511 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.04511 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.04511 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.04511 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.04511 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.04511 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.04511 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.04511 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.04511 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
epss 0.0476 https://api.first.org/data/v1/epss?cve=CVE-2017-7502
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1446631
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5461
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5462
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7502
cvssv2 7.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2017-7502
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-7502
generic_textual Medium https://ubuntu.com/security/notices/USN-3336-1
generic_textual Medium https://ubuntu.com/security/notices/USN-3372-1
cvssv3.1 7.5 http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
generic_textual HIGH http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-7502.html
https://access.redhat.com/errata/RHSA-2017:1567
https://access.redhat.com/errata/RHSA-2017:1712
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7502.json
https://api.first.org/data/v1/epss?cve=CVE-2017-7502
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5461
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5462
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7502
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://hg.mozilla.org/projects/nss/rev/55ea60effd0d
https://ubuntu.com/security/notices/USN-3336-1
https://ubuntu.com/security/notices/USN-3372-1
http://www.debian.org/security/2017/dsa-3872
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.securityfocus.com/bid/98744
http://www.securitytracker.com/id/1038579
1446631 https://bugzilla.redhat.com/show_bug.cgi?id=1446631
863839 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863839
cpe:2.3:a:mozilla:network_security_services:3.24.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.24.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.25.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.25.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.25.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.25.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.26.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.26.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.26.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.26.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.27.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.27.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.27.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.27.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.27.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.27.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.28.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.28.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.28.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.28.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.28.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.28.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.28.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.28.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.29.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.29.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.29.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.29.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.29.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.29.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.29.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.29.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.30.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.30.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.30.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:3.30.1:*:*:*:*:*:*:*
CVE-2017-7502 https://nvd.nist.gov/vuln/detail/CVE-2017-7502
RHSA-2017:1364 https://access.redhat.com/errata/RHSA-2017:1364
RHSA-2017:1365 https://access.redhat.com/errata/RHSA-2017:1365
USN-3336-1 https://usn.ubuntu.com/3336-1/
USN-3372-1 https://usn.ubuntu.com/3372-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7502.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:L/Au:N/C:N/I:N/A:C 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:3.0/AV:N/AC:L/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:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-7502
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:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-7502
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: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
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 0.80368
EPSS Score 0.01657
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.