How severe is CVE-2012-0962?

CVE-2012-0962 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-0962 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0962?

CVE-2012-0962 primarily affects Sebastian Heinlein Aptdaemon. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0962?

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

When was CVE-2012-0962 published?

CVE-2012-0962 was published on 2012-12-26 and last updated on 2026-06-16.

CVE-2012-0962

CVE-2012-0962 is a medium-severity vulnerability in Sebastian Heinlein Aptdaemon 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.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sebastian Heinlein Aptdaemon
Published: 2012-12-26
Last modified: 2026-06-16

Description

Aptdaemon 0.43 in Ubuntu 11.10 and 12.04 LTS uses short IDs when importing PPA GPG keys from a keyserver, which allows remote attackers to install arbitrary package repository GPG keys via a man-in-the-middle (MITM) attack.

Frequently asked questions

What is CVE-2012-0962?: Aptdaemon 0.43 in Ubuntu 11.10 and 12.04 LTS uses short IDs when importing PPA GPG keys from a keyserver, which allows remote attackers to install arbitrary package repository GPG keys via a man-in-the-middle (MITM) attack.
How severe is CVE-2012-0962?: CVE-2012-0962 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-0962 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0962?: CVE-2012-0962 primarily affects Sebastian Heinlein Aptdaemon. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0962?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0962 published?: CVE-2012-0962 was published on 2012-12-26 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:sebastian_heinlein:aptdaemon:0.43:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:11.10:-:lts:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*

More vulnerabilities in Sebastian Heinlein Aptdaemon

CVE-2011-0725 — Medium (CVSS 4.9): Absolute path traversal vulnerability in the org.debian.apt.UpdateCachePartially method in worker.py in Aptdaemon 0.40…
CVE-2012-0944 — Medium (CVSS 4.3): Aptdaemon 0.43 and earlier in Ubuntu 11.04, 11.10, and 12.04 LTS does not authenticate packages when the transaction is…

All CVEs affecting Sebastian Heinlein Aptdaemon →