CVE-2009-0431: SQL injection vulnerability in Default.asp in LinksPro Standard Edition allows remote attackers to execute arb

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HIGH 7.5DOWNGRADE

CVE-2009-0431 is a high-severity flaw (CVSS 7.5) affecting linkspro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in Default.asp in LinksPro Standard Edition allows remote attackers to execute arbitrary SQL commands via the OrderDirection parameter.

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	1.8% (top 21%)
CISA exploited list	No
Weakness	CWE-89
Published	2009-02-05
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: codefixer

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

Am I affected?

Timeline

2009-02-05 00:30 UTCPublished CVE record published
2026-06-16 23:05 UTCUpdated Record last modified

codefixer linkspro DOWNGRADE

Affected: _nil_ _nil_

Fixed in: no fixed release known

Safe to downgrade to: a release before _nil_

1. Check installed version

apt-cache policy linkspro || rpm -q linkspro || linkspro --version

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

apt-cache madison linkspro sudo apt install linkspro=<VERSION_BEFORE__nil_> sudo apt-mark hold linkspro

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

dnf --showduplicates list linkspro sudo dnf downgrade linkspro-<VERSION_BEFORE__nil_> sudo dnf versionlock add linkspro

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: LinksPro - 'OrderDirection' SQL Injection

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-2009-0431?

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

Is CVE-2009-0431 being exploited?

CVE-2009-0431 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-2009-0431 affect?

CVE-2009-0431 affects linkspro. Severity is high (CVSS 7.5). SQL injection vulnerability in Default.asp in LinksPro Standard Edition allows remote attackers to execute arbitrary SQL commands via the OrderDirection parameter.

How urgent is CVE-2009-0431?

Priority 51/100. High severity; Public exploit reference

References

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