CVE-2022-2491: A vulnerability has been found in SourceCodester Library Management System 1.0 and classified as critical

This month

MEDIUM 6.3DOWNGRADE

CVE-2022-2491 is a medium-severity flaw (CVSS 6.3) affecting library management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been found in SourceCodester Library Management System 1.0 and classified as critical. This vulnerability affects unknown code of the file lab.php. The manipulation of the argument Section with the input 1' UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,CONCAT(0x71716b7171,0x546e4444736b7743575a666d4873746a6450616261527a67627944426946507245664143694c6a4c,0x7162706b71),NULL,NULL,NULL,NULL# leads to sql injection. The attack can be i

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-89
Published	2022-07-20
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: library management system project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-07-20 12:15 UTCPublished CVE record published
2026-06-17 04:41 UTCUpdated Record last modified

library management system project library management system 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 library-management-system || rpm -q library-management-system || library-management-system --version

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

apt-cache madison library-management-system sudo apt install library-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold library-management-system

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

dnf --showduplicates list library-management-system sudo dnf downgrade library-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add library-management-system

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-2022-2491?

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

Is CVE-2022-2491 being exploited?

CVE-2022-2491 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-2022-2491 affect?

CVE-2022-2491 affects library management system. Severity is medium (CVSS 6.3). A vulnerability has been found in SourceCodester Library Management System 1.0 and classified as critical. This vulnerability affects unknown code of the file lab.php. The manipulation of the argument Section with the input 1' UNION ALL SEL

How urgent is CVE-2022-2491?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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