CVE-2005-2030: Ultimate PHP Board (UPB) 1.9.6 GOLD uses weak encryption for passwords in the users.dat file, which allows att

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MEDIUM 5.0DOWNGRADE

CVE-2005-2030 is a medium-severity flaw (CVSS 5.0) affecting ultimate php board. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Ultimate PHP Board (UPB) 1.9.6 GOLD uses weak encryption for passwords in the users.dat file, which allows attackers to easily decrypt the passwords and gain privileges, possibly after exploiting CVE-2005-2005 to obtain users.dat.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.0% (top 13%)
CISA exploited list	No
Published	2005-06-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ultimate php board

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2005-06-16 04:00 UTCPublished CVE record published
2026-06-16 22:14 UTCUpdated Record last modified

ultimate php board ultimate php board DOWNGRADE

Affected: 1.8 · 1.8.2 · 1.9 · 1.9.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.8

1. Check installed version

apt-cache policy ultimate-php-board || rpm -q ultimate-php-board || ultimate-php-board --version

2. No fixed release: DOWNGRADE to a release before 1.8 (Debian / Ubuntu)

apt-cache madison ultimate-php-board sudo apt install ultimate-php-board=<VERSION_BEFORE_1.8> sudo apt-mark hold ultimate-php-board

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ultimate-php-board sudo dnf downgrade ultimate-php-board-<VERSION_BEFORE_1.8> sudo dnf versionlock add ultimate-php-board

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Ultimate PHP Board 1.8/1.9 - Weak Password Encryption

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2005-2030?

ultimate php board: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-2030 being exploited?

CVE-2005-2030 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2005-2030 affect?

CVE-2005-2030 affects ultimate php board. Severity is medium (CVSS 5.0). Ultimate PHP Board (UPB) 1.9.6 GOLD uses weak encryption for passwords in the users.dat file, which allows attackers to easily decrypt the passwords and gain privileges, possibly after exploiting CVE-2005-2005 to obtain users.dat.

How urgent is CVE-2005-2030?

Priority 44/100. Public exploit reference

Software pages

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References

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