CVE-2006-3204: n/a vulnerability

CVE-2006-3204: Ultimate PHP Board (UPB) 1.9.6 and earlier uses a cryptographically weak block cipher with a large key coll...

Ultimate PHP Board (UPB) 1.9.6 and earlier uses a cryptographically weak block cipher with a large key collision space, which allows remote attackers to determine a suitable decryption key given the plaintext and ciphertext by obtaining the plaintext password, which is sent when logging in, and the ciphertext, which is set in the pass_env cookie.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 18:23 UTC (UTC+00:00)

Security readout for executives and security teams

Ultimate PHP Board 1.9.6 and earlier used weak encryption for password-related cookie handling. A remote attacker with matching plaintext and ciphertext could derive a usable decryption key. This is primarily a legacy exposure risk for organizations still running old UPB forum software. Exposure is likely limited to legacy internet-facing Ultimate PHP Board installations version 1.9.6 or earlier. The source bundle does not identify other affected products, supported branches, package names, or CPEs. Prioritize if any legacy UPB forum is still public-facing or handles sensitive accounts. If UPB is not present, no action is needed beyond documenting non-exposure. Evidence is incomplete on vendor fixes, so replacement may be more practical than repair. Mitigation focus: Inventory any UPB installations and confirm exact version.; Check archived vendor or project guidance for a fixed release.; Retire or replace unsupported UPB deployments if no maintained fix exists..

Prepared: Jun 29, 2026, 11:51 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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CVE-2006-3204 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 24, 2006, 01:00 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

1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

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