CVE-2022-37704: Amanda 3.5.1 allows privilege escalation from the regular user backup to root

Routine

MEDIUM 6.7DOWNGRADE

CVE-2022-37704 is a medium-severity flaw (CVSS 6.7) affecting amanda. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Amanda 3.5.1 allows privilege escalation from the regular user backup to root. The SUID binary located at /lib/amanda/rundump will execute /usr/sbin/dump as root with controlled arguments from the attacker which may lead to escalation of privileges, denial of service, and information disclosure.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.7 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-77
Published	2023-04-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: zmanda

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

Am I affected?

Timeline

2023-04-16 01:15 UTCPublished CVE record published
2026-06-17 04:55 UTCUpdated Record last modified

zmanda amanda DOWNGRADE

Affected: 3.5.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.5.1

1. Check installed version

apt-cache policy amanda || rpm -q amanda || amanda --version

2. No fixed release: DOWNGRADE to a release before 3.5.1 (Debian / Ubuntu)

apt-cache madison amanda sudo apt install amanda=<VERSION_BEFORE_3.5.1> sudo apt-mark hold amanda

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list amanda sudo dnf downgrade amanda-<VERSION_BEFORE_3.5.1> sudo dnf versionlock add amanda

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2022-37704?

amanda: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-37704 being exploited?

CVE-2022-37704 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-2022-37704 affect?

CVE-2022-37704 affects amanda. Severity is medium (CVSS 6.7). Amanda 3.5.1 allows privilege escalation from the regular user backup to root. The SUID binary located at /lib/amanda/rundump will execute /usr/sbin/dump as root with controlled arguments from the attacker which may lead to escalation of pr

How urgent is CVE-2022-37704?

Priority 35/100. No elevated risk signals yet.

Related CVEs

CVE-2023-30577 HIGH 7.8 UPGRADE AMANDA (Advanced Maryland Automatic Network Disk Archiver) before tag-community-3.5.4 mishandles argument chec
CVE-2022-37705 MEDIUM 6.7 DOWNGRADE A privilege escalation flaw was found in Amanda 3.5.1 in which the backup user can acquire root privileges
CVE-2022-37703 LOW 3.3 DOWNGRADE In Amanda 3.5.1, an information leak vulnerability was found in the calcsize SUID binary

References

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