CVE-2006-3996: SQL injection vulnerability in links/index.php in ATutor 1.5.3.1 and earlier allows remote authenticated users

Q: How do I fix CVE-2006-3996?

atutor: upgrade to newer than 1.5.3.1. Exact commands for each OS are on this page.

Q: Is CVE-2006-3996 being exploited?

CVE-2006-3996 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-3996 affect?

CVE-2006-3996 affects atutor. Severity is medium (CVSS 6.5). SQL injection vulnerability in links/index.php in ATutor 1.5.3.1 and earlier allows remote authenticated users to execute arbitrary SQL commands via the (1) desc or (2) asc parameters.

Q: How urgent is CVE-2006-3996?

Priority 47/100. Public exploit reference

This month

MEDIUM 6.5UPGRADE

CVE-2006-3996 is a medium-severity flaw (CVSS 6.5) affecting atutor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in links/index.php in ATutor 1.5.3.1 and earlier allows remote authenticated users to execute arbitrary SQL commands via the (1) desc or (2) asc parameters.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Published	2006-08-05
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: adaptive technology resource centre

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

Am I affected?

Timeline

2006-08-05 00:04 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

adaptive technology resource centre atutor UPGRADE

Affected: <= 1.5.3.1

Fixed in: newer than 1.5.3.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.5.3.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade atutor

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade atutor

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: ATutor 1.5.3.1 - 'links' Blind 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-2006-3996?

atutor: upgrade to newer than 1.5.3.1. Exact commands for each OS are on this page.

Is CVE-2006-3996 being exploited?

CVE-2006-3996 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-2006-3996 affect?

CVE-2006-3996 affects atutor. Severity is medium (CVSS 6.5). SQL injection vulnerability in links/index.php in ATutor 1.5.3.1 and earlier allows remote authenticated users to execute arbitrary SQL commands via the (1) desc or (2) asc parameters.

How urgent is CVE-2006-3996?

Priority 47/100. Public exploit reference

Software pages

PHP vulnerabilities

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CVE-2020-23341 MEDIUM 6.1 UPGRADE A reflected cross site scripting (XSS) vulnerability in the /header.tmpl.php component of ATutor 2.2.4 allows
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References

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