VulnerabilityModified
CVE-2012-3291
Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.
HIGH 7.8EPSS 2.30%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 2.30% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- infradead/openconnect
- Source
- cve@mitre.org
EPSS 2.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://git.infradead.org/users/dwmw2/openconnect.git/commitdiff/14cae65318d3ef1f7d449e463b72b6934e82f1c2
- http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079747.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00186.html
- http://www.debian.org/security/2012/dsa-2495
- http://www.infradead.org/openconnect/changelog.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17242
- http://git.infradead.org/users/dwmw2/openconnect.git/commitdiff/14cae65318d3ef1f7d449e463b72b6934e82f1c2
- http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079747.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00186.html
- http://www.debian.org/security/2012/dsa-2495
- http://www.infradead.org/openconnect/changelog.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17242
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.