CVE-2021-43492: AlquistManager branch as of commit 280d99f43b11378212652e75f6f3159cde9c1d36 is affected by a directory travers

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2021-43492 is a high-severity flaw (CVSS 7.5) affecting alquist. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

AlquistManager branch as of commit 280d99f43b11378212652e75f6f3159cde9c1d36 is affected by a directory traversal vulnerability. This attack can cause the disclosure of critical secrets stored anywhere on the system andcan significantly aid in getting remote code access.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.2% (top 9%)
CISA exploited list	No
Weakness	CWE-22
Published	2021-11-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: alquistai

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

Am I affected?

Timeline

2021-11-12 15:15 UTCPublished CVE record published
2026-06-17 04:11 UTCUpdated Record last modified

alquistai alquist DOWNGRADE

Affected: 2017-06-13

Fixed in: no fixed release known

Safe to downgrade to: a release before 2017-06-13

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2017-06-13 (Debian / Ubuntu)

apt-cache madison alquist sudo apt install alquist=<VERSION_BEFORE_2017-06-13> sudo apt-mark hold alquist

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

dnf --showduplicates list alquist sudo dnf downgrade alquist-<VERSION_BEFORE_2017-06-13> sudo dnf versionlock add alquist

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-2021-43492?

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

Is CVE-2021-43492 being exploited?

CVE-2021-43492 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-2021-43492 affect?

CVE-2021-43492 affects alquist. Severity is high (CVSS 7.5). AlquistManager branch as of commit 280d99f43b11378212652e75f6f3159cde9c1d36 is affected by a directory traversal vulnerability. This attack can cause the disclosure of critical secrets stored anywhere on the system andcan significantly aid

How urgent is CVE-2021-43492?

Priority 59/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2021-43495 HIGH 7.5 DOWNGRADE AlquistManager branch as of commit 280d99f43b11378212652e75f6f3159cde9c1d36 is affected by a directory travers

References

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