How severe is CVE-2013-4135?

CVE-2013-4135 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-4135 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4135?

CVE-2013-4135 primarily affects Openafs. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4135?

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

When was CVE-2013-4135 published?

CVE-2013-4135 was published on 2013-11-05 and last updated on 2026-06-16.

CVE-2013-4135

CVE-2013-4135 is a medium-severity vulnerability in Openafs 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Openafs
Published: 2013-11-05
Last modified: 2026-06-16

Description

The vos command in OpenAFS 1.6.x before 1.6.5, when using the -encrypt option, only enables integrity protection and sends data in cleartext, which allows remote attackers to obtain sensitive information by sniffing the network.

Frequently asked questions

What is CVE-2013-4135?: The vos command in OpenAFS 1.6.x before 1.6.5, when using the -encrypt option, only enables integrity protection and sends data in cleartext, which allows remote attackers to obtain sensitive information by sniffing the network.
How severe is CVE-2013-4135?: CVE-2013-4135 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-4135 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4135?: CVE-2013-4135 primarily affects Openafs. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4135?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4135 published?: CVE-2013-4135 was published on 2013-11-05 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:openafs:openafs:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:openafs:openafs:1.6.1:*:*:*:*:*:*:*
cpe:2.3:a:openafs:openafs:1.6.2:*:*:*:*:*:*:*
cpe:2.3:a:openafs:openafs:1.6.2.1:*:*:*:*:*:*:*
cpe:2.3:a:openafs:openafs:1.6.3:*:*:*:*:*:*:*
cpe:2.3:a:openafs:openafs:1.6.4:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

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