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CVE-2011-3634

Published: Feb 28, 2014Updated: Apr 29, 2026 Sources: CVE List NVDCWE-200
NVD MITRE
2.6CVSSLOW
EPSS Score
0.8%
Top 48.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

methods/https.cc in apt before 0.8.11 accepts connections when the certificate host name fails validation and Verify-Host is enabled, which allows man-in-the-middle attackers to obtain repository credentials via unspecified vectors.

CVSS Vector Breakdown

AV:NAC:HAu:NC:PI:NA:N
Exploitability
AV:NAccess Vector
Network
AC:HAccess Complexity
High
Au:NAuthentication
None
Impact
C:PConfidentiality
Partial
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-200

Affected Products

n/an/a
advanced package tooldebian
On-prem
Operating Systems / linux-distro
ubuntu linuxcanonical
On-premOS
Operating Systems / linux-distro
debianoss-projectGBOperating Systemsaka debian gnu/linux
canonicalcommercialGBOperating Systemsaka canonical ltd.

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

http://www.ubuntu.com/usn/USN-1283-1
ubuntu.com
https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=apt/apt.git%3Ba=blob%3Bf=debian/changelog%3Bhb=HEAD
alioth.debian.org
http://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3634.html
people.canonical.com
and 1 more references View all →

Timeline

Published
Feb 28, 2014
Last Updated
Apr 29, 2026

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