CVE-2005-4027: SQL injection vulnerability in SimpleBBS 1.1 allows remote attackers to execute arbitrary SQL commands via uns

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HIGH 7.5DOWNGRADE

CVE-2005-4027 is a high-severity flaw (CVSS 7.5) affecting simplebbs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in SimpleBBS 1.1 allows remote attackers to execute arbitrary SQL commands via unspecified search module parameters.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-89
Published	2005-12-05
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: simplemedia

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

Am I affected?

Timeline

2005-12-05 11:03 UTCPublished CVE record published
2026-06-16 22:18 UTCUpdated Record last modified

simplemedia simplebbs DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison simplebbs sudo apt install simplebbs=<VERSION_BEFORE_1.1> sudo apt-mark hold simplebbs

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

dnf --showduplicates list simplebbs sudo dnf downgrade simplebbs-<VERSION_BEFORE_1.1> sudo dnf versionlock add simplebbs

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.

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-2005-4027?

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

Is CVE-2005-4027 being exploited?

CVE-2005-4027 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-2005-4027 affect?

CVE-2005-4027 affects simplebbs. Severity is high (CVSS 7.5). SQL injection vulnerability in SimpleBBS 1.1 allows remote attackers to execute arbitrary SQL commands via unspecified search module parameters.

How urgent is CVE-2005-4027?

Priority 43/100. High severity

Related CVEs

CVE-2006-1800 HIGH 7.5 DOWNGRADE Directory traversal vulnerability in posts.php in SimpleBBS 1.0.6 through 1.1 allows remote attackers to inclu
CVE-2005-4135 HIGH 7.5 DOWNGRADE Direct static code injection vulnerability in includes/newtopic.php in SimpleBBS 1.1 and earlier allows remote

References

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