How severe is CVE-2011-4122?

CVE-2011-4122 has a CVSS 2.0 base score of 6.9, rated medium severity.

Is CVE-2011-4122 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4122?

CVE-2011-4122 affects Freebsd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4122?

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

When was CVE-2011-4122 published?

CVE-2011-4122 was published on 2011-11-17 and last updated on 2026-06-16.

CVE-2011-4122

CVE-2011-4122 is a medium-severity vulnerability in Freebsd with a CVSS 2.0 base score of 6.9. 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-22.

Key facts

Severity: Medium (CVSS 2.0 base score 6.9)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Freebsd
Published: 2011-11-17
Last modified: 2026-06-16

Description

Directory traversal vulnerability in openpam_configure.c in OpenPAM before r478 on FreeBSD 8.1 allows local users to load arbitrary DSOs and gain privileges via a .. (dot dot) in the service_name argument to the pam_start function, as demonstrated by a .. in the -c option to kcheckpass.

Frequently asked questions

What is CVE-2011-4122?: Directory traversal vulnerability in openpam_configure.c in OpenPAM before r478 on FreeBSD 8.1 allows local users to load arbitrary DSOs and gain privileges via a .. (dot dot) in the service_name argument to the pam_start function, as demonstrated by a .. in the -c option to kcheckpass.
How severe is CVE-2011-4122?: CVE-2011-4122 has a CVSS 2.0 base score of 6.9, rated medium severity.
Is CVE-2011-4122 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4122?: CVE-2011-4122 affects Freebsd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4122?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4122 published?: CVE-2011-4122 was published on 2011-11-17 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:freebsd:freebsd:8.1:*:*:*:*:*:*:*

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