VulnerabilityModified
CVE-2011-3374
It was found that apt-key in apt, all versions, do not correctly validate gpg keys with the master keyring, leading to a potential man-in-the-middle attack.
LOW 3.7EPSS 1.19%
Does this matter?
Lower severity and a low EPSS score (1.19%). Track it; it rarely justifies an emergency change on its own.
Description
It was found that apt-key in apt, all versions, do not correctly validate gpg keys with the master keyring, leading to a potential man-in-the-middle attack.
- CVSS 3.1
- 3.7 LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
- EPSS
- 1.19% probability · 68th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-347
- Affected
- debian/advanced package tool · debian/debian linux
- Source
- secalert@redhat.com
EPSS 1.2% 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
- https://access.redhat.com/security/cve/cve-2011-3374Broken Link
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=642480Issue Tracking, Mailing List, Third Party Advisory
- https://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3374.htmlThird Party Advisory
- https://seclists.org/fulldisclosure/2011/Sep/221Exploit, Mailing List, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-3374Third Party Advisory
- https://snyk.io/vuln/SNYK-LINUX-APT-116518Broken Link
- https://ubuntu.com/security/CVE-2011-3374Third Party Advisory
- https://access.redhat.com/security/cve/cve-2011-3374Broken Link
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=642480Issue Tracking, Mailing List, Third Party Advisory
- https://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3374.htmlThird Party Advisory
- https://seclists.org/fulldisclosure/2011/Sep/221Exploit, Mailing List, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-3374Third Party Advisory
- https://snyk.io/vuln/SNYK-LINUX-APT-116518Broken Link
- https://ubuntu.com/security/CVE-2011-3374Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.