CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2021-41990
High (7.5). EPSS 6.9% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 6.9% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
- CWE
- CWE-190
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- fedoraproject:fedora
- siemens:6gk5615-0aa00-2aa2_firmware
- siemens:6gk5804-0ap00-2aa2_firmware
- siemens:6gk5812-1aa00-2aa2_firmware
- siemens:6gk5812-1ba00-2aa2_firmware
- siemens:6gk5816-1aa00-2aa2_firmware
- siemens:6gk5816-1ba00-2aa2_firmware
- siemens:6gk5826-2ab00-2ab2_firmware
- siemens:6gk5856-2ea00-3aa1_firmware
- siemens:6gk5856-2ea00-3da1_firmware
- siemens:6gk5874-2aa00-2aa2_firmware
- siemens:6gk5874-3aa00-2aa2_firmware
- siemens:6gk5876-3aa02-2ba2_firmware
- siemens:6gk5876-3aa02-2ea2_firmware
- siemens:6gk5876-4aa00-2ba2_firmware
- siemens:6gk5876-4aa00-2da2_firmware
- siemens:6gk6108-4am00-2ba2_firmware
- siemens:6gk6108-4am00-2da2_firmware
- strongswan:strongswan
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdf
- https://github.com/strongswan/strongswan/releases/tag/5.9.4
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FJSATD2R2XHTG4P63GCMQ2N7EWKMME5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQSQ3BEC22NF4NCDZVCT4P3Q2ZIAJXGJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3TQ32JLJOBJDB2EJKSX2PBPB5NFG2D4/