CVE-2014-2989: Cross-site request forgery (CSRF) vulnerability in Open Assessment Technologies TAO 2.5.6 allows remote attack

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MEDIUM 6.8DOWNGRADE

CVE-2014-2989 is a medium-severity flaw (CVSS 6.8) affecting tao. 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 Open Assessment Technologies TAO 2.5.6 allows remote attackers to hijack the authentication of administrators for requests that create administrative accounts via a request to Users/add.

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	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-352
Published	2014-05-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: open assessment technologies

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-05-13 14:55 UTCPublished CVE record published
2026-06-17 00:07 UTCUpdated Record last modified

open assessment technologies tao DOWNGRADE

Affected: 2.5.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.5.6

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.5.6 (Debian / Ubuntu)

apt-cache madison tao sudo apt install tao=<VERSION_BEFORE_2.5.6> sudo apt-mark hold tao

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

dnf --showduplicates list tao sudo dnf downgrade tao-<VERSION_BEFORE_2.5.6> sudo dnf versionlock add tao

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: TOA - Cross-Site Request Forgery

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-2014-2989?

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

Is CVE-2014-2989 being exploited?

CVE-2014-2989 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-2014-2989 affect?

CVE-2014-2989 affects tao. Severity is medium (CVSS 6.8). Cross-site request forgery (CSRF) vulnerability in Open Assessment Technologies TAO 2.5.6 allows remote attackers to hijack the authentication of administrators for requests that create administrative accounts via a request to Users/add.

How urgent is CVE-2014-2989?

Priority 46/100. Public exploit reference

References

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