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Vulnerability details: VCID-p65t-d156-qfex
Vulnerability ID VCID-p65t-d156-qfex
Aliases CVE-2017-5462
Summary A flaw in DRBG number generation within the Network Security Services (NSS) library where the internal state V does not correctly carry bits over. The NSS library has been updated to fix this issue to address this issue and Firefox 53 has been updated with NSS version 3.29.5.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-682 Incorrect Calculation
System Score Found at
cvssv3 4.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-5462.json
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
epss 0.01072 https://api.first.org/data/v1/epss?cve=CVE-2017-5462
cvssv2 2.6 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2017-5462
cvssv3 5.3 https://nvd.nist.gov/vuln/detail/CVE-2017-5462
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-10
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-11
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-12
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-13
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-5462.json
https://api.first.org/data/v1/epss?cve=CVE-2017-5462
https://bugzilla.mozilla.org/show_bug.cgi?id=1345089
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5429
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5432
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5433
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5434
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5435
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5436
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5438
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5439
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5440
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5441
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5442
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5443
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5444
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5445
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5446
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5447
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5448
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5459
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5460
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-2017-5464
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5465
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5469
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://security.gentoo.org/glsa/201705-04
https://www.debian.org/security/2017/dsa-3831
https://www.debian.org/security/2017/dsa-3872
https://www.mozilla.org/security/advisories/mfsa2017-10/
https://www.mozilla.org/security/advisories/mfsa2017-11/
https://www.mozilla.org/security/advisories/mfsa2017-12/
https://www.mozilla.org/security/advisories/mfsa2017-13/
http://www.securityfocus.com/bid/97940
http://www.securitytracker.com/id/1038320
1443348 https://bugzilla.redhat.com/show_bug.cgi?id=1443348
862958 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862958
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:52.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:52.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
CVE-2017-5462 https://nvd.nist.gov/vuln/detail/CVE-2017-5462
mfsa2017-10 https://www.mozilla.org/en-US/security/advisories/mfsa2017-10
mfsa2017-11 https://www.mozilla.org/en-US/security/advisories/mfsa2017-11
mfsa2017-12 https://www.mozilla.org/en-US/security/advisories/mfsa2017-12
mfsa2017-13 https://www.mozilla.org/en-US/security/advisories/mfsa2017-13
USN-3260-1 https://usn.ubuntu.com/3260-1/
USN-3278-1 https://usn.ubuntu.com/3278-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-5462.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:N/A:N 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: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-5462
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:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-5462
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 0.76835
EPSS Score 0.01072
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:16.532483+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2017/mfsa2017-10.yml 37.0.0