How severe is CVE-2019-18601?

CVE-2019-18601 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-18601 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18601?

CVE-2019-18601 affects Openafs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-18601?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-18601 published?

CVE-2019-18601 was published on 2019-10-29 and last updated on 2026-06-17.

CVE-2019-18601

CVE-2019-18601 is a high-severity vulnerability in Openafs with a CVSS 3.x base score of 7.5. 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-502.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Openafs
Published: 2019-10-29
Last modified: 2026-06-17

Description

OpenAFS before 1.6.24 and 1.8.x before 1.8.5 is prone to denial of service from unserialized data access because remote attackers can make a series of VOTE_Debug RPC calls to crash a database server within the SVOTE_Debug RPC handler.

Frequently asked questions

What is CVE-2019-18601?: OpenAFS before 1.6.24 and 1.8.x before 1.8.5 is prone to denial of service from unserialized data access because remote attackers can make a series of VOTE_Debug RPC calls to crash a database server within the SVOTE_Debug RPC handler.
How severe is CVE-2019-18601?: CVE-2019-18601 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-18601 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18601?: CVE-2019-18601 affects Openafs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-18601?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-18601 published?: CVE-2019-18601 was published on 2019-10-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openafs:openafs:*:*:*:*:*:*:*:*

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