CVE-2021-43493: ServerManagement master branch as of commit 49491cc6f94980e6be7791d17be947c27071eb56 is affected by a director

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2021-43493 is a high-severity flaw (CVSS 7.5) affecting servermanagement. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ServerManagement master branch as of commit 49491cc6f94980e6be7791d17be947c27071eb56 is affected by a directory traversal vulnerability. This vulnerability can be used to extract credentials which can in turn be used to execute code.

Why this priority

High severity
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	2.5% (top 16%)
CISA exploited list	No
Weakness	CWE-22
Published	2021-11-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: servermanagement project

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

servermanagement project servermanagement DOWNGRADE

Affected: 2019-11-13

Fixed in: no fixed release known

Safe to downgrade to: a release before 2019-11-13

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2019-11-13 (Debian / Ubuntu)

apt-cache madison servermanagement sudo apt install servermanagement=<VERSION_BEFORE_2019-11-13> sudo apt-mark hold servermanagement

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

dnf --showduplicates list servermanagement sudo dnf downgrade servermanagement-<VERSION_BEFORE_2019-11-13> sudo dnf versionlock add servermanagement

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-2021-43493?

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

Is CVE-2021-43493 being exploited?

CVE-2021-43493 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-2021-43493 affect?

CVE-2021-43493 affects servermanagement. Severity is high (CVSS 7.5). ServerManagement master branch as of commit 49491cc6f94980e6be7791d17be947c27071eb56 is affected by a directory traversal vulnerability. This vulnerability can be used to extract credentials which can in turn be used to execute code.

How urgent is CVE-2021-43493?

Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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