SARA / Free Tools / CVE / CVE-2023-3939

CVE-2023-3939 — Improper Neutralization of Special Elements used in an OS Command ('OS Command I

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in ZkTeco-based OEM devices allows OS Command Injection. Since all the found command implementations are executed from the superuser, their impact is the maximum pos

CVSS
10.0 CRITICAL
EPSS
1.01% (top 23.20%)
CWE
CWE-78
Published
2024-05-21T09:45:00.639Z
Last modified
2024-08-02T07:08:50.765Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

01What is this vulnerability?

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in ZkTeco-based OEM devices allows OS Command Injection. Since all the found command implementations are executed from the superuser, their impact is the maximum possible. This issue affects ZkTeco-based OEM devices (ZkTeco ProFace X, Smartec ST-FR043, Smartec ST-FR041ME and possibly others)…

02Affected products

VendorProductVersions
ZkTecoZkTecobased OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0 — ZAM170-NF-1.8.25-7354-Ver1.0.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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