What is CVE-2022-36617?

CVE-2022-36617 is a medium-severity vulnerability in Haystacksoftware Arq Backup, classified under Insufficiently Protected Credentials. CVSS score: 4.9/10. Published 2022-09-09.

How severe is CVE-2022-36617?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Haystacksoftware Arq Backup

CVE-2022-36617

Arq Backup 7.19.5.0 and below stores backup encryption passwords using reversible encryption. This issue allows attackers with administrative privileges to recover cleartext passwords.

Published 2022-09-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.001

Affected products

Haystacksoftware Arq Backup

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

startrekdude.github.io/arqbackup.html (Mailing List, Third Party Advisory)
www.arqbackup.com/download/arqbackup/arq7windows_release_notes.html (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2022-36617?: CVE-2022-36617 is a medium-severity vulnerability in Haystacksoftware Arq Backup, classified under Insufficiently Protected Credentials. CVSS score: 4.9/10. Published 2022-09-09.
How severe is CVE-2022-36617?: Medium severity. CVSS v3 base score is 4.9 out of 10.