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Critical severity · published May 21, 2024
CVE-2023-3939
Multiple command injection in ZkTeco-based OEM devices
10.0
CVSS
1.3%
EPSS
No
On KEV
Description
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) with the ZAM170-NF-1.8.25-7354-Ver1.0.0 and possibly other.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZO
ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0 · ZkTeco
ZAM170-NF-1.8.25-7354-Ver1.0.0 · source: vendor
F7
Facedepot 7b · Zkteco
through ZAM170-NF-1.8.25-7354-Ver1.0.0 · source: CISA
SS
Smartec ST Fr041me · Zkteco
through ZAM170-NF-1.8.25-7354-Ver1.0.0 · source: CISA
SS
Smartec ST Fr043 · Zkteco
through ZAM170-NF-1.8.25-7354-Ver1.0.0 · source: CISA
Affected product
ZO
ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0
ZkTeco
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-3939
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-3939
github.com
https://github.com/klsecservices/Advisories/blob/master/K-ZkTeco-2023-002.md
More from ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0
10.0
CVE-2023-3943
Multiple buffer overflow in ZkTeco-based OEM devices
10.0
CVE-2023-3941
Multiple arbitrary file writes in ZkTeco-based OEM devices
7.5
CVE-2023-3940
Multiple arbitrary file reads in ZkTeco-based OEM devices
4.6
CVE-2023-3938
Bypassing ZkTeco-based OEM devices/ZKTeco biometric authentication system via SQLi in QR code