CVE-2023-49543: Incorrect access control in Book Store Management System v1 allows attackers to access unauthorized pages and

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2023-49543 is a critical-severity flaw (CVSS 9.8) affecting book store management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Incorrect access control in Book Store Management System v1 allows attackers to access unauthorized pages and execute administrative functions without authenticating.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 39%)
CISA exploited list	No
Weakness	CWE-284
Published	2024-03-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: book store 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

2024-03-01 22:15 UTCPublished CVE record published
2026-06-17 06:36 UTCUpdated Record last modified

book store management system project book store 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 book-store-management-system || rpm -q book-store-management-system || book-store-management-system --version

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

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

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

dnf --showduplicates list book-store-management-system sudo dnf downgrade book-store-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add book-store-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-2023-49543?

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

Is CVE-2023-49543 being exploited?

CVE-2023-49543 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-2023-49543 affect?

CVE-2023-49543 affects book store management system. Severity is critical (CVSS 9.8). Incorrect access control in Book Store Management System v1 allows attackers to access unauthorized pages and execute administrative functions without authenticating.

How urgent is CVE-2023-49543?

Priority 60/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-49540 MEDIUM 6.1 DOWNGRADE Book Store Management System v1.0 was discovered to contain a cross-site scripting (XSS) vulnerability in /bsm
CVE-2023-49539 MEDIUM 6.1 DOWNGRADE Book Store Management System v1.0 was discovered to contain a cross-site scripting (XSS) vulnerability in /bsm

References

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