CVE-2016-6195
Exploitation likely. EPSS gives it a 68% chance of exploitation in the next 30 days. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
- VbulletinAffected: ≤ 4.2.2Upgrade to: after 4.2.2Stated by: NVD
Versions as the sources state them. Full version matrix after sign-in
Steps
Written by AI from the record- Check your vBulletin version and Patch Level in the administration area or with your hosting provider.
- If you use vBulletin 4.2.2, upgrade to Patch Level 5; if you use 4.2.3, upgrade to Patch Level 1.
- Until upgraded, ask your host or IT provider to restrict public access to
forumrunner/request.phpif ForumRunner is not needed. - Review forum administrator accounts, recent database changes, and unusual activity after updating.
What it is
From the CVE record
SQL injection vulnerability in forumrunner/includes/moderation.php in vBulletin before 4.2.2 Patch Level 5 and 4.2.3 before Patch Level 1 allows remote attackers to execute arbitrary SQL commands via the postids parameter to forumrunner/request.php, as exploited in the wild in July 2016.
In plain language
Written by AI from the recordIf you run vBulletin 4.2.2 before Patch Level 5 or vBulletin 4.2.3 before Patch Level 1, act soon because an outsider may be able to take control of information in your forum’s database.
Unauthenticated SQL injection in vBulletin’s ForumRunner moderation endpoint allows attacker-controlled postids input to execute arbitrary SQL commands.
If you're affected
- Forum database takeover
- Member data exposure
- Content manipulation
- Forum outage
- Ransomware risk
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
68% chance of exploitation activity in the next 30 days, which ranks it in the 99th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
24 events over 3676 days, from the signal feeds we watch.
- EPSS band changemoderate → highepss band change
- EPSS band changehigh → moderateepss band change
- EPSS band changemoderate → highepss band change
- EPSS band changehigh → moderateepss band change
- EPSS band changemoderate → highepss band change
- EPSS band changehigh → moderate
Affected products
And 1 more affected product. See all after sign-in
Technical detail
CVSS 3.0 vector
Open in the CVSS calculatorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Scored 9.8 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationhigh confidence
Sources
References in the record
And 1 more reference. See all after sign-in
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