CVE-2005-2843: Helpdesk software Hesk 0.92 does not properly verify usernames and passwords, which allows remote attackers to

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HIGH 7.5DOWNGRADE

CVE-2005-2843 is a high-severity flaw (CVSS 7.5) affecting hesk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Helpdesk software Hesk 0.92 does not properly verify usernames and passwords, which allows remote attackers to bypass authentication via a direct request to admin_main.php.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Published	2005-09-08
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: helpdesk software

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

Am I affected?

Timeline

2005-09-08 10:03 UTCPublished CVE record published
2026-06-16 22:15 UTCUpdated Record last modified

helpdesk software hesk DOWNGRADE

Affected: 0.92

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.92

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.92 (Debian / Ubuntu)

apt-cache madison hesk sudo apt install hesk=<VERSION_BEFORE_0.92> sudo apt-mark hold hesk

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

dnf --showduplicates list hesk sudo dnf downgrade hesk-<VERSION_BEFORE_0.92> sudo dnf versionlock add hesk

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-2005-2843?

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

Is CVE-2005-2843 being exploited?

CVE-2005-2843 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-2005-2843 affect?

CVE-2005-2843 affects hesk. Severity is high (CVSS 7.5). Helpdesk software Hesk 0.92 does not properly verify usernames and passwords, which allows remote attackers to bypass authentication via a direct request to admin_main.php.

How urgent is CVE-2005-2843?

Priority 45/100. High severity

Software pages

PHP vulnerabilities

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References

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