What’s Vulnerable › Vulnerabilities

CVE-2015-8400

• Severity: high (CVSS 7.4 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-01-12 · updated 2026-06-17
• Weakness: CWE-254

Description

The HTTPS fallback implementation in Shell In A Box (aka shellinabox) before 2.19 makes it easier for remote attackers to conduct DNS rebinding attacks via the "/plain" URL.

Affected products

• Fedoraproject Fedora: 22, 23
• Shellinabox Project Shellinabox: through 2.18

References

• http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175117.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175224.html
• http://www.openwall.com/lists/oss-security/2015/12/02/6
• http://www.openwall.com/lists/oss-security/2015/12/02/7
• https://github.com/shellinabox/shellinabox/issues/355
• https://github.com/shellinabox/shellinabox/releases/tag/v2.19
• http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175117.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175224.html
• http://www.openwall.com/lists/oss-security/2015/12/02/6
• http://www.openwall.com/lists/oss-security/2015/12/02/7
• https://github.com/shellinabox/shellinabox/issues/355
• https://github.com/shellinabox/shellinabox/releases/tag/v2.19

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