CVE-2009-0738: SQL injection vulnerability in login.php in Auth Php 1.0 allows remote attackers to execute arbitrary SQL comm

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HIGH 7.5DOWNGRADE

CVE-2009-0738 is a high-severity flaw (CVSS 7.5) affecting auth php. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in login.php in Auth Php 1.0 allows remote attackers to execute arbitrary SQL commands via the (1) username and (2) passwd parameters.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.1% (top 33%)
CISA exploited list	No
Weakness	CWE-89
Published	2009-02-25
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: frankmancuso

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

Am I affected?

Timeline

2009-02-25 20:30 UTCPublished CVE record published
2026-06-16 23:05 UTCUpdated Record last modified

frankmancuso auth php DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy auth-php || rpm -q auth-php || auth-php --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison auth-php sudo apt install auth-php=<VERSION_BEFORE_1.0> sudo apt-mark hold auth-php

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

dnf --showduplicates list auth-php sudo dnf downgrade auth-php-<VERSION_BEFORE_1.0> sudo dnf versionlock add auth-php

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: AuthPhp 1.0 - Authentication Bypass

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-2009-0738?

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

Is CVE-2009-0738 being exploited?

CVE-2009-0738 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-2009-0738 affect?

CVE-2009-0738 affects auth php. Severity is high (CVSS 7.5). SQL injection vulnerability in login.php in Auth Php 1.0 allows remote attackers to execute arbitrary SQL commands via the (1) username and (2) passwd parameters.

How urgent is CVE-2009-0738?

Priority 48/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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