The TLS stack in Mono before 3.12.1 allows man-in-the-middle attackers to conduct message skipping attacks and consequently impersonate…

Description

The TLS stack in Mono before 3.12.1 allows man-in-the-middle attackers to conduct message skipping attacks and consequently impersonate clients by leveraging missing handshake state validation, aka a "SMACK SKIP-TLS" issue.

Scores

EPSS (exploitation in 30 days)

2.0% · top 20% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.

Weakness

• n/a
• CWE-295 (opens in a new tab)All about CWE-295 and its CVEs

Affected products

• n/a

  • affected n/a

References (8)

• USN-2547-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://mitls.org/pages/attacks/SMACK#skip (opens in a new tab)x_refsource_MISCx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1202869 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 73253 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• [oss-security] 20150317 Re: Mono TLS vulnerabilities (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• http://www.mono-project.com/news/2015/03/07/mono-tls-vulnerability/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-3202 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• https://github.com/mono/mono/commit/1509226c41d74194c146deb173e752b8d3cdeec4 (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2015-2318](https://trackcve.app/badge/CVE-2015-2318.svg)](https://trackcve.app/cve/CVE-2015-2318)

Record last updated 6 Aug 2024, 05:10 UTC.