CVE-2011-5300: Cross-site request forgery (CSRF) vulnerability in admin/setup/config/users.php in poMMo Aardvark PR16.1 allow

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MEDIUM 6.8DOWNGRADE

CVE-2011-5300 is a medium-severity flaw (CVSS 6.8) affecting pommo-ardvark. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site request forgery (CSRF) vulnerability in admin/setup/config/users.php in poMMo Aardvark PR16.1 allows remote attackers to hijack the authentication of administrators for requests that modify credentials via certain admin_ parameters.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-352
Published	2015-01-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: pommo

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

Am I affected?

Timeline

2015-01-01 11:59 UTCPublished CVE record published
2026-06-16 23:36 UTCUpdated Record last modified

pommo pommo-ardvark DOWNGRADE

Affected: pr16.1

Fixed in: no fixed release known

Safe to downgrade to: a release before pr16.1

1. Check installed version

apt-cache policy pommo-ardvark || rpm -q pommo-ardvark || pommo-ardvark --version

2. No fixed release: DOWNGRADE to a release before pr16.1 (Debian / Ubuntu)

apt-cache madison pommo-ardvark sudo apt install pommo-ardvark=<VERSION_BEFORE_pr16.1> sudo apt-mark hold pommo-ardvark

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

dnf --showduplicates list pommo-ardvark sudo dnf downgrade pommo-ardvark-<VERSION_BEFORE_pr16.1> sudo dnf versionlock add pommo-ardvark

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-2011-5300?

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

Is CVE-2011-5300 being exploited?

CVE-2011-5300 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-2011-5300 affect?

CVE-2011-5300 affects pommo-ardvark. Severity is medium (CVSS 6.8). Cross-site request forgery (CSRF) vulnerability in admin/setup/config/users.php in poMMo Aardvark PR16.1 allows remote attackers to hijack the authentication of administrators for requests that modify credentials via certain admin_ paramete

How urgent is CVE-2011-5300?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2011-5299 MEDIUM 4.3 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in poMMo Aardvark PR16.1 allow remote attackers to inject

References

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