HOMEVULNERABILITIESCVE-2008-6971
HIGHPOC

CVE-2008-6971

CWE-255Published: August 13, 2009· Updated: Jun 16, 2026

7.5
CVSS v3.1

Official Description

The password reset functionality in Simple Machines Forum (SMF) 1.0.x before 1.0.14, 1.1.x before 1.1.6, and 2.0 before 2.0 beta 4 includes clues about the random number generator state within a hidden form field and generates predictable validation codes, which allows remote attackers to modify passwords of other users and gain privileges.

NVD Source

Technical Analysis

CVE-2008-6971 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2008-6971. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors & Products

simplemachines1 product(s)
smf
Source: NVD CPE · 7 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (12)

Quick Facts

CVE IDCVE-2008-6971
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-255
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedAug 13, 2009

Related CVEs (CWE-255)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2008-6971 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.