CVE-2013-2566
- State
- Published
- Severity
- 5.9 Medium
- Published
- Mar 14, 2013
- Updated
- May 22, 2026
- Reserved
- Mar 14, 2013
Description
The RC4 algorithm, as used in the TLS protocol and SSL protocol, has many single-byte biases, which makes it easier for remote attackers to conduct plaintext-recovery attacks via statistical analysis of ciphertext in a large number of sessions that use the same plaintext.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.9 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-327 Use of a Broken or Risky Cryptographic Algorithm
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://blog.cryptographyengineering.com/2013/03/attack-of-week-rc4-is-kind-of-broken-in.html
- 58796vdb-entry
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- http://cr.yp.to/talks/2013.03.12/slides.pdf
- HPSBGN03324vendor-advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- GLSA-201504-01vendor-advisory
- GLSA-201406-19vendor-advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- USN-2031-1vendor-advisory
- USN-2032-1vendor-advisory
- http://my.opera.com/securitygroup/blog/2013/03/20/on-the-precariousness-of-rc4
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- http://www.opera.com/security/advisory/1046
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05336888
- http://www.mozilla.org/security/announce/2013/mfsa2013-103.html
- http://www.isg.rhul.ac.uk/tls/
- http://www.opera.com/docs/changelogs/unified/1215/
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05289935
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.