How severe is CVE-2013-6891?

CVE-2013-6891 has a CVSS 2.0 base score of 1.2, rated low severity.

Is CVE-2013-6891 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6891?

CVE-2013-6891 primarily affects Apple Cups. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6891?

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

When was CVE-2013-6891 published?

CVE-2013-6891 was published on 2014-01-26 and last updated on 2026-06-17.

CVE-2013-6891

CVE-2013-6891 is a low-severity vulnerability in Apple Cups with a CVSS 2.0 base score of 1.2. 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-59.

Key facts

Severity: Low (CVSS 2.0 base score 1.2)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Apple Cups
Published: 2014-01-26
Last modified: 2026-06-17

Description

lppasswd in CUPS before 1.7.1, when running with setuid privileges, allows local users to read portions of arbitrary files via a modified HOME environment variable and a symlink attack involving .cups/client.conf.

Frequently asked questions

What is CVE-2013-6891?: lppasswd in CUPS before 1.7.1, when running with setuid privileges, allows local users to read portions of arbitrary files via a modified HOME environment variable and a symlink attack involving .cups/client.conf.
How severe is CVE-2013-6891?: CVE-2013-6891 has a CVSS 2.0 base score of 1.2, rated low severity.
Is CVE-2013-6891 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6891?: CVE-2013-6891 primarily affects Apple Cups. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6891?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6891 published?: CVE-2013-6891 was published on 2014-01-26 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:apple:cups:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:cups:1.7:rc1:*:*:*:*:*:*
cpe:2.3:a:apple:cups:1.7.1:b1:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:*

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