CVE-2023-49543Public exploitNetwork attack vector

Account takeover via unauthenticated user management

Published Mar 1, 2024 · Updated Aug 28, 2024

Improper access control in Book Store Management System 1.0 allows remote attackers to perform administrative actions without authentication. The /bsms_ci/index.php/user route accepts direct unauthenticated requests and exposes user creation, editing, and deletion operations. Network access to the web application is sufficient to change passwords and user attributes, enabling account takeover.

CVSS severity9.8
Critical
EPSS probability0.95%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Book Store Management System 1.0 allows remote attackers to perform administrative actions without authentication. The /bsms_ci/index.php/user route accepts direct unauthenticated requests and exposes user creation, editing, and deletion operations. Network access to the web application is sufficient to change passwords and user attributes, enabling account takeover.

The record

CVE
CVE-2023-49543
Published
Mar 1, 2024
Updated
Aug 28, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-284, T1098
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 1, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 28, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-284Improper Access Control
T1098Account Manipulation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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