What is CVE-2019-18601?

CVE-2019-18601 is a high-severity vulnerability in Openafs, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2019-10-29.

How severe is CVE-2019-18601?

High severity. CVSS v3 base score is 7.5 out of 10.

Deserialization in Openafs

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.

Vulnerability class: Insecure Deserialization

Published 2019-10-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Openafs

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

openafs.org/pages/security/OPENAFS-SA-2019-003.txt (Vendor Advisory)
lists.debian.org/debian-lts-announce/2019/11/msg00002.html (mailing-list)

Frequently asked questions

What is CVE-2019-18601?: CVE-2019-18601 is a high-severity vulnerability in Openafs, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2019-10-29.
How severe is CVE-2019-18601?: High severity. CVSS v3 base score is 7.5 out of 10.