How severe is CVE-2011-1829?

CVE-2011-1829 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-1829 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1829?

CVE-2011-1829 primarily affects Debian Advanced Package Tool. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1829?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1829 published?

CVE-2011-1829 was published on 2011-07-27 and last updated on 2026-06-16.

CVE-2011-1829

CVE-2011-1829 is a medium-severity vulnerability in Debian Advanced Package Tool with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Debian Advanced Package Tool
Published: 2011-07-27
Last modified: 2026-06-16

Description

APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the-middle attackers to install modified packages via vectors involving lack of an initial clearsigned message.

Frequently asked questions

What is CVE-2011-1829?: APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the-middle attackers to install modified packages via vectors involving lack of an initial clearsigned message.
How severe is CVE-2011-1829?: CVE-2011-1829 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-1829 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1829?: CVE-2011-1829 primarily affects Debian Advanced Package Tool. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1829?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1829 published?: CVE-2011-1829 was published on 2011-07-27 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:debian:advanced_package_tool:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*

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