CVE-2022-27305: Gibbon v23 does not generate a new session ID cookie after a user authenticates, making the application vulner

Q: How do I fix CVE-2022-27305?

gibbon: upgrade to 23.0.02. Exact commands for each OS are on this page.

Q: Is CVE-2022-27305 being exploited?

CVE-2022-27305 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-27305 affect?

CVE-2022-27305 affects gibbon. Severity is high (CVSS 8.8). Gibbon v23 does not generate a new session ID cookie after a user authenticates, making the application vulnerable to session fixation.

This month

HIGH 8.8UPGRADE

CVE-2022-27305 is a high-severity flaw (CVSS 8.8) affecting gibbon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Gibbon v23 does not generate a new session ID cookie after a user authenticates, making the application vulnerable to session fixation.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-384
Published	2022-05-25
Last modified	2026-07-09

Publisher (CNA): MITRE · Vendor: gibbonedu

Last updated 2026-07-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-05-25 16:15 UTCPublished CVE record published
2026-07-09 01:17 UTCUpdated Record last modified

gibbonedu gibbon UPGRADE

Affected: < 23.0.02

Fixed in: 23.0.02

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 23.0.02 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gibbon

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gibbon

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2022-27305?

gibbon: upgrade to 23.0.02. Exact commands for each OS are on this page.

Is CVE-2022-27305 being exploited?

CVE-2022-27305 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-2022-27305 affect?

CVE-2022-27305 affects gibbon. Severity is high (CVSS 8.8). Gibbon v23 does not generate a new session ID cookie after a user authenticates, making the application vulnerable to session fixation.

How urgent is CVE-2022-27305?

Priority 46/100. High severity

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CVE-2024-34831 MEDIUM 6.1 DOWNGRADE cross-site scripting (XSS) vulnerability in Gibbon Core v26.0.00 allows an attacker to execute arbitrary code
CVE-2024-24725 HIGH 8.8 UPGRADE Gibbon through 26.0.00 allows remote authenticated users to conduct PHP deserialization attacks via columnOrde
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References

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