CVE-2023-42321Network attack vector

Code execution via forged administrative requests

Published Sep 20, 2023 · Updated Sep 25, 2024

Cross-site request forgery in icmsdev iCMS 7.0.16 allows remote attackers to execute arbitrary code through administrative account-management requests. The affected user.admincp.php, members.admincp.php, and group.admincp.php handlers process state-changing requests through a victim's session without request-origin validation. Exploitation requires an authenticated administrator to submit a crafted request and permits unauthorized creation or modification of members, roles, and administrator accounts.

CVSS severity8.8
High
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in icmsdev iCMS 7.0.16 allows remote attackers to execute arbitrary code through administrative account-management requests. The affected user.admincp.php, members.admincp.php, and group.admincp.php handlers process state-changing requests through a victim's session without request-origin validation. Exploitation requires an authenticated administrator to submit a crafted request and permits unauthorized creation or modification of members, roles, and administrator accounts.

The record

CVE
CVE-2023-42321
Published
Sep 20, 2023
Updated
Sep 25, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-352
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 20, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 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

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)

Public exploit references

No public exploit references are available in this record.

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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