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CVE-2022-36617: Arq Backup 7.19.5.0 and below stores backup encryption passwords using reversible encryption

28
Routine
MEDIUM 4.9UPGRADE

CVE-2022-36617 is a medium-severity flaw (CVSS 4.9) affecting arq backup. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score4.9 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededHigh
User interactionNone
EPSS exploit chance0.5% (top 56%)
CISA exploited listNo
WeaknessCWE-522
Published2022-09-09
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: haystacksoftware

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

haystacksoftware arq backup UPGRADE
Affected: <= 7.19.5.0
Fixed in: newer than 7.19.5.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy arq-backup || rpm -q arq-backup || arq-backup --version
2. UPGRADE to newer than 7.19.5.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade arq-backup
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade arq-backup
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-36617?

arq backup: upgrade to newer than 7.19.5.0. Exact commands for each OS are on this page.

Is CVE-2022-36617 being exploited?

CVE-2022-36617 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-36617 affect?

CVE-2022-36617 affects arq backup. Severity is medium (CVSS 4.9). 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.

How urgent is CVE-2022-36617?

Priority 28/100. No elevated risk signals yet.

References

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