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.
CVSS Details
- CVSS 3.0 Base Score: 5.9
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade nss | Sep 20, 2017 | Mar 15, 2013 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Mar 30, 2015 |
| Gentoo Linux | — | Upgrade www-client/seamonkey.Upgrade www-client/firefox.Upgrade mail-client/thunderbird.Upgrade www-client/firefox-bin.Upgrade www-client/seamonkey-bin.Upgrade dev-libs/nss.Upgrade dev-libs/nspr.Upgrade mail-client/thunderbird-bin. | Oct 30, 2017 | Mar 15, 2013 |
| Google Chrome | — | — | Apr 1, 2013 | Mar 15, 2013 |
| Mfsa2013 103 | — | Upgrade to Mozilla Firefox version 25.0.1Upgrade to Mozilla Firefox ESR version 24.1.1Upgrade to Mozilla Firefox ESR version 17.0.11 | Nov 21, 2013 | Mar 15, 2013 |
| Mozilla Seamonkey | — | Upgrade to Mozilla SeaMonkey version 2.22.1 | Dec 8, 2014 | Mar 15, 2013 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird ESR version 17.0.11Upgrade to Mozilla Thunderbird version 24.1.1 | Nov 21, 2013 | Mar 15, 2013 |
| Oracle Solaris | — | Upgrade library/security/openssl/openssl-fips-140 to version 2.0.6-0.175.2.7.0.2.0 on Solaris 11.2Upgrade compress/unzip to version 6.0-0.175.2.6.0.5.0 on Solaris 11.2Upgrade library/security/openssl to version 1.0.1.11-0.175.2.7.0.2.0 on Solaris 11.2 | May 29, 2017 | Mar 15, 2013 |
| Rc4 | — | Disable TLS/SSL support for RC4 ciphers | Sep 18, 2014 | Mar 12, 2013 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Mar 15, 2013 |
| Suse | — | Upgrade mozilla-nss-x86Upgrade libsoftokn3Upgrade libfreebl3-x86Upgrade mozilla-nssUpgrade mozilla-nss-32bitUpgrade libfreebl3-32bitUpgrade mozilla-nss-toolsUpgrade mozilla-nss-develUpgrade libsoftokn3-32bitUpgrade libsoftokn3-x86Upgrade libfreebl3 | Aug 9, 2024 | Mar 15, 2013 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Nov 8, 2024 | Mar 15, 2013 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub