CVE-2008-6538: DeStar 0.2.2-5 allows remote attackers to add arbitrary users via a direct request to config/add/CfgOptUser.

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MEDIUM 5.0DOWNGRADE

CVE-2008-6538 is a medium-severity flaw (CVSS 5.0) affecting destar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

DeStar 0.2.2-5 allows remote attackers to add arbitrary users via a direct request to config/add/CfgOptUser.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.5% (top 16%)
CISA exploited list	No
Weakness	CWE-20
Published	2009-03-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: holger schurig

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2009-03-30 01:30 UTCPublished CVE record published
2026-06-16 23:02 UTCUpdated Record last modified

holger schurig destar DOWNGRADE

Affected: 0.2.2-5

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.2.2-5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.2.2-5 (Debian / Ubuntu)

apt-cache madison destar sudo apt install destar=<VERSION_BEFORE_0.2.2-5> sudo apt-mark hold destar

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

dnf --showduplicates list destar sudo dnf downgrade destar-<VERSION_BEFORE_0.2.2-5> sudo dnf versionlock add destar

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Destar 0.2.2-5 - Arbitrary Add New User

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-2008-6538?

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

Is CVE-2008-6538 being exploited?

CVE-2008-6538 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-2008-6538 affect?

CVE-2008-6538 affects destar. Severity is medium (CVSS 5.0). DeStar 0.2.2-5 allows remote attackers to add arbitrary users via a direct request to config/add/CfgOptUser.

How urgent is CVE-2008-6538?

Priority 44/100. Public exploit reference

Related CVEs

CVE-2008-6539 MEDIUM 6.5 DOWNGRADE Static code injection vulnerability in user/settings/ in DeStar 0.2.2-5 allows remote authenticated users to a

References

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