How severe is CVE-2013-5710?

CVE-2013-5710 has a CVSS 2.0 base score of 3.7, rated low severity.

Is CVE-2013-5710 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5710?

CVE-2013-5710 primarily affects Freebsd. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-5710?

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

When was CVE-2013-5710 published?

CVE-2013-5710 was published on 2013-09-23 and last updated on 2026-06-16.

CVE-2013-5710

CVE-2013-5710 is a low-severity vulnerability in Freebsd with a CVSS 2.0 base score of 3.7. 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-264.

Key facts

Severity: Low (CVSS 2.0 base score 3.7)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Freebsd
Published: 2013-09-23
Last modified: 2026-06-16

Description

The nullfs implementation in sys/fs/nullfs/null_vnops.c in the kernel in FreeBSD 8.3 through 9.2 allows local users with certain permissions to bypass access restrictions via a hardlink in a nullfs instance to a file in a different instance.

Frequently asked questions

What is CVE-2013-5710?: The nullfs implementation in sys/fs/nullfs/null_vnops.c in the kernel in FreeBSD 8.3 through 9.2 allows local users with certain permissions to bypass access restrictions via a hardlink in a nullfs instance to a file in a different instance.
How severe is CVE-2013-5710?: CVE-2013-5710 has a CVSS 2.0 base score of 3.7, rated low severity.
Is CVE-2013-5710 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5710?: CVE-2013-5710 primarily affects Freebsd. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5710?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-5710 published?: CVE-2013-5710 was published on 2013-09-23 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:o:freebsd:freebsd:8.0:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.3:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.0:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.1:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.2:*:*:*:*:*:*:*

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