CVE-2008-6143: OwenPoll 1.0 allows remote attackers to bypass authentication and obtain administrative access via a modified

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HIGH 7.5DOWNGRADE

CVE-2008-6143 is a high-severity flaw (CVSS 7.5) affecting owenpoll. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OwenPoll 1.0 allows remote attackers to bypass authentication and obtain administrative access via a modified account name in the username cookie.

Why this priority

High severity
EPSS top 7%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	6.1% (top 7%)
CISA exploited list	No
Weakness	CWE-287
Published	2009-02-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: owentechkenya

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

Am I affected?

Timeline

2009-02-16 17:30 UTCPublished CVE record published
2026-06-16 23:01 UTCUpdated Record last modified

owentechkenya owenpoll DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison owenpoll sudo apt install owenpoll=<VERSION_BEFORE_1.0> sudo apt-mark hold owenpoll

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

dnf --showduplicates list owenpoll sudo dnf downgrade owenpoll-<VERSION_BEFORE_1.0> sudo dnf versionlock add owenpoll

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: OwenPoll 1.0 - Insecure Cookie Handling

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-2008-6143?

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

Is CVE-2008-6143 being exploited?

CVE-2008-6143 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-2008-6143 affect?

CVE-2008-6143 affects owenpoll. Severity is high (CVSS 7.5). OwenPoll 1.0 allows remote attackers to bypass authentication and obtain administrative access via a modified account name in the username cookie.

How urgent is CVE-2008-6143?

Priority 55/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference

References

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