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CVE-2011-3634

methods/https.cc in apt before 0.8.11 accepts connections when the certificate host name fails...

2.6 LowFix available

CVE-2011-3634 is a low vulnerability (CVSS 2.6) in Canonical Ubuntu Linux, published February 28, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.81%, the 57th percentile. Fixed in apt 0.8.11.

What does this mean?
Severity
2.6 LowCVSS 2.0, NVD
Exploit chance
0.81%EPSS, 57th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
0.8.11apt +3 more

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.

Exploit likelihood

0.81%Down 0.2 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
apt
Debian:12
before 0.8.11
0.8.11
apt
Debian:13
before 0.8.11
0.8.11
apt
Debian:14
before 0.8.11
0.8.11
apt
Debian:6.0
From an advisory covering 2 CVEs
before 0.8.10.3+squeeze2, plus listed versions
0.8.10.30.8.10.3+squeeze1
0.8.10.3+squeeze2

What each source reports

NVD Score used2.6

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.

Record
CVE-2011-3634
CVSS 2.0
2.6 LowAV:N/AC:H/Au:N/C:P/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
CVE ListNo score

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.

Record
CVE-2011-3634
Updated
2026-11-02
EUVDEUVD-2011-3593No score

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.

Record
EUVD-2011-3593
Updated
2026-11-03
GitHub AdvisoriesGHSA-rgc6-vjp8-p4rvNo score

methods/https.cc in apt before 0.8.11 accepts connections when the certificate host name fails...

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.

Record
GHSA-rgc6-vjp8-p4rv
Weakness
CWE-200
Updated
2026-11-02
OSVNo score

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.

Record
CVE-2011-3634
Updated
2026-11-02
OSVDEBIAN-CVE-2011-3634No score

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.

Record
DEBIAN-CVE-2011-3634
Updated
2026-11-02

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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