The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For…

Description

The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur.

Scores

EPSS (exploitation in 30 days)

6.9% · top 5.9% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

• n/a
• CWE-190 (opens in a new tab)All about CWE-190 and its CVEs

Affected products

• n/a

  • affected n/a

References (7)

• https://github.com/strongswan/strongswan/releases/tag/5.9.4 (opens in a new tab)x_refsource_MISCx_transferred
• https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-%28cve-2021-41990%29.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-4989 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• FEDORA-2021-0b37146973 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• FEDORA-2021-b3df83339e (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• FEDORA-2021-95fab6a482 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdf (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-2021-41990](https://trackcve.app/badge/CVE-2021-41990.svg)](https://trackcve.app/cve/CVE-2021-41990)

Record last updated 4 Aug 2024, 03:22 UTC.