CVE-2016-9574: mozilla network_security_services Missing Cryptographic Step
CVSS: 5.9v3.0MediumModified
AliasesUBUNTU-CVE-2016-9574DEBIAN-CVE-2016-9574
Published 19-07-2018Last modified 06-08-2024
Vulnerability summary
CVE-2016-9574 is a medium (CVSS 5.9) Missing Cryptographic Step vulnerability in mozilla network_security_services. EPSS estimates a 1.40% chance of exploitation in the next 30 days, higher than 72% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
5.9/10
010
Medium · v3.0 (CVE.org)EPSS score
1.40%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 19-07-2018PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
nss before version 3.30 is vulnerable to a remote denial of service during the session handshake when using SessionTicket extension and ECDHE-ECDSA.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 5.9Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- NVDNIST5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.40%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
-0.01 pp
From 1.41% on 18-09-2026
18-09-202618-10-2026
EPSS score1.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (bugzilla.mozilla.org)
Maturity: unknown
Exploit Reference (bugzilla.redhat.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-325Missing Cryptographic StepThe product does not implement a required step in a cryptographic algorithm, resulting in weaker encryption than advertised by the algorithm.
- CWE-384Session FixationAuthenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
Affected systems
[unknown]1 product
- nssnss 3.30
Debian1 product
- nss< 2:3.25-1
Mozilla1 product
Ubuntu1 product
- nss< 2:3.26.2-0ubuntu0.14.04.3 | < 2:3.26.2-0ubuntu0.16.04.2
4 vendors · 4 products
References
5 links- bugzilla.mozilla.org/show_bug.cgi?id=1320695X Refsource CONFIRMExploitIssue TrackingPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9574X Refsource CONFIRMExploitIssue TrackingThird Party Advisory
