Vulnerability Report

CVE-2001-1471

Title: phpBB prefs.php remote PHP code execution via invalid language

Other

Proof Of Concept

PoC Available for CVE-2001-1471

CWE Category CWE-665

Published Date Jul 31, 2001

Modified Date Jun 16, 2026

Exploit Status Available

Score 8.8 CVSS v3.1

Exploit Probability (EPSS)

7.70%

Vulnerability Summary

CVE-2001-1471: prefs.php in phpBB 1.4.0 and earlier allows remote authenticated users to execute arbitrary PHP code via an invalid language value, which prevents the variables (1) $l_statsblock in prefs.php or (2) $l_privnotify in auth.php from being properly initialized, which can be modified by the user and later used in an eval statement.

Impacted Vendors

phpbb 1

phpbb_group 1

Reference Links

http://archives.neohapsis.com/archives/bugtraq/2001-08/0123.html http://www.derkeiler.com/Mailing-Lists/securityfocus/bugtraq/2001-08/0087.html http://www.kb.cert.org/vuls/id/920931 http://www.securityfocus.com/bid/3167 https://exchange.xforce.ibmcloud.com/vulnerabilities/6944 http://archives.neohapsis.com/archives/bugtraq/2001-08/0123.html http://www.derkeiler.com/Mailing-Lists/securityfocus/bugtraq/2001-08/0087.html http://www.kb.cert.org/vuls/id/920931 http://www.securityfocus.com/bid/3167 https://exchange.xforce.ibmcloud.com/vulnerabilities/6944

CVSS v3.1

Source Entity [email protected]

Severity HIGH

8.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.6

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2001-1471 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/21065

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 03, 2025 MODIFIED

Vulnerability data or affected products updated.

July 31, 2001 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.