CVE-2004-2054: n/a vulnerability

CVE-2004-2054: CRLF injection vulnerability in PhpBB 2.0.4 and 2.0.9 allows remote attackers to perform HTTP Response Spli...

CRLF injection vulnerability in PhpBB 2.0.4 and 2.0.9 allows remote attackers to perform HTTP Response Splitting attacks to modify expected HTML content from the server via (1) the mode parameter to privmsg.php or (2) the redirect parameter to login.php.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 01:15 UTC (UTC+00:00)

Security readout for executives and security teams

This issue affects old phpBB forum software and lets a remote attacker manipulate server responses through unsafe line breaks in request parameters. The reported impact is HTTP response splitting, which can alter delivered web content. It matters mainly for organizations still running or exposing phpBB 2.0.4 or 2.0.9. Exposure is likely limited to legacy phpBB 2.0.4 or 2.0.9 installations, especially public forums with privmsg.php or login.php reachable. The bundle does not identify affected CPEs beyond the phpBB versions named in the description. Prioritize only if legacy phpBB remains in use. For current environments without phpBB 2.0.4 or 2.0.9, business urgency is low. If present on an internet-facing forum, remediate promptly because attackers could alter server-delivered content. Mitigation focus: Inventory public and internal phpBB deployments for versions 2.0.4 and 2.0.9.; Check phpBB or archived vendor guidance for the appropriate fixed release or advisory.; Prioritize retiring or upgrading confirmed vulnerable legacy forums..

Prepared: Jun 29, 2026, 20:58 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: May 10, 2005, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
phpbb-search-response-splitting(16759)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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