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.
Published 2013-03-15 21:55:01
Updated 2024-10-21 13:55:04
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2013-2566

Exploit prediction scoring system (EPSS) score for CVE-2013-2566

0.56%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2013-2566

  • SSL/TLS Version Detection
    Disclosure Date: 2014-10-14
    First seen: 2022-12-23
    auxiliary/scanner/ssl/ssl_version
    Check if a server supports a given version of SSL/TLS and cipher suites. The certificate is stored in loot, and any known vulnerabilities against that SSL version and cipher suite combination are checked. These checks include POODLE, deprecated protocols, expired/no

CVSS scores for CVE-2013-2566

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
MEDIUM AV:N/AC:M/Au:N/C:P/I:N/A:N
8.6
2.9
NIST
5.9
MEDIUM CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
2.2
3.6
NIST

CWE ids for CVE-2013-2566

  • The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2013-2566

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