CVE-2011-5137: Multiple SQL injection vulnerabilities in tForum b0.915 allow remote attackers to execute arbitrary SQL comman

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HIGH 7.5DOWNGRADE

CVE-2011-5137 is a high-severity flaw (CVSS 7.5) affecting tforum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple SQL injection vulnerabilities in tForum b0.915 allow remote attackers to execute arbitrary SQL commands via the (1) TopicID parameter to viewtopic.php, the (2) BoardID parameter to viewboard.php, or (3) CatID parameter to viewcat.php.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-89
Published	2012-08-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: tforum

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

Am I affected?

Timeline

2012-08-31 21:55 UTCPublished CVE record published
2026-06-16 23:36 UTCUpdated Record last modified

tforum tforum DOWNGRADE

Affected: b0.915

Fixed in: no fixed release known

Safe to downgrade to: a release before b0.915

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before b0.915 (Debian / Ubuntu)

apt-cache madison tforum sudo apt install tforum=<VERSION_BEFORE_b0.915> sudo apt-mark hold tforum

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

dnf --showduplicates list tforum sudo dnf downgrade tforum-<VERSION_BEFORE_b0.915> sudo dnf versionlock add tforum

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-2011-5137?

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

Is CVE-2011-5137 being exploited?

CVE-2011-5137 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-2011-5137 affect?

CVE-2011-5137 affects tforum. Severity is high (CVSS 7.5). Multiple SQL injection vulnerabilities in tForum b0.915 allow remote attackers to execute arbitrary SQL commands via the (1) TopicID parameter to viewtopic.php, the (2) BoardID parameter to viewboard.php, or (3) CatID parameter to viewcat.p

How urgent is CVE-2011-5137?

Priority 48/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2007-0642 HIGH 7.5 DOWNGRADE SQL injection vulnerability in tForum 2.00 in the Raymond BERTHOU script collection (aka RBL - ASP) allows rem

References

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