CVE-2013-1620
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.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:N/A:N- Weakness (CWE)
- CWE-203
- EPSS score
- 3.7% (90th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-1655)
- Published
- February 8, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-1655 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- mozilla / network security services
- oracle / enterprise manager ops center
- oracle / enterprise manager ops center
- oracle / enterprise manager ops center
- oracle / glassfish communications server
- oracle / glassfish server
- oracle / iplanet web proxy server
- oracle / iplanet web server
- oracle / iplanet web server
- oracle / opensso
- oracle / traffic director
- oracle / traffic director
- oracle / vm server
- redhat / enterprise linux desktop
- redhat / enterprise linux desktop
- redhat / enterprise linux eus
- redhat / enterprise linux server
- redhat / enterprise linux server
- redhat / enterprise linux server aus
- redhat / enterprise linux workstation
- redhat / enterprise linux workstation
Certified products that may be affected
1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.
- Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761(Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00009.html(Broken Link)
- http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00010.html(Broken Link)
- http://openwall.com/lists/oss-security/2013/02/05/24(Mailing List, Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2013-1135.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2013-1144.html(Third Party Advisory)
- http://seclists.org/fulldisclosure/2014/Dec/23(Mailing List, Third Party Advisory)
- http://security.gentoo.org/glsa/glsa-201406-19.xml(Third Party Advisory)
- http://www.isg.rhul.ac.uk/tls/TLStiming.pdf(Technical Description, Third Party Advisory)
- http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html(Third Party Advisory)
- http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html(Third Party Advisory)
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html(Third Party Advisory)
- http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html(Third Party Advisory)
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html(Third Party Advisory)
- http://www.securityfocus.com/archive/1/534161/100/0/threaded(Third Party Advisory, VDB Entry)
- http://www.securityfocus.com/bid/57777(Third Party Advisory, VDB Entry)
- http://www.securityfocus.com/bid/64758(Third Party Advisory, VDB Entry)
- http://www.ubuntu.com/usn/USN-1763-1(Third Party Advisory)
- http://www.vmware.com/security/advisories/VMSA-2014-0012.html(Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain