CVE-2013-1620
The TLS implementation in Mozilla Network Security Services (NSS) does not properly consider timing side-channel attacks on a noncompliant…
- 4.3MediumCVSS base score
- 3.7%Exploitation in 30 daysEPSS · top 10% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The TLS implementation in Mozilla Network Security Services (NSS) does not properly consider timing side-channel attacks on a noncompliant MAC check operation during the processing of malformed CBC padding, which allows remote attackers to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data for crafted packets, a related issue to CVE-2013-0169.
Timeline
ID reserved
By mitre
- 3 days later
· 3 days later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 3.7% · top 10% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
References
References19
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 57777 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://www.vmware.com/security/advisories/VMSA-2014-0012.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.isg.rhul.ac.uk/tls/TLStiming.pdf (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2013:0630 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [oss-security] 20130205 Re: CVE request: TLS CBC padding timing flaw in various SSL / TLS implementations (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 20141205 NEW: VMSA-2014-0012 - VMware vSphere product updates address security vulnerabilities (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-1763-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- GLSA-201406-19 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- RHSA-2013:1135 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2013:1144 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20141205 NEW: VMSA-2014-0012 - VMware vSphere product updates address security vulnerabilities (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- openSUSE-SU-2013:0631 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 64758 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2013-1655 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2013-1620)Record last updated .