7.8

CVE-2021-21867

Exploit
An unsafe deserialization vulnerability exists in the ObjectManager.plugin ObjectStream.ProfileByteArray functionality of CODESYS GmbH CODESYS Development System 3.5.16 and 3.5.17. A specially crafted file can lead to arbitrary command execution. An attacker can provide a malicious file to trigger this vulnerability.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Codesys ≫ Codesys Version 3.5.16.0
Codesys ≫ Codesys Version 3.5.17.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.65% 0.734
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NIST 6.8 8.6 6.4
AV:N/AC:M/Au:N/C:P/I:P/A:P
Cisco Talos 8.8 2.8 5.9
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download=
Patch
Vendor Advisory
Mitigation
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1304
Third Party Advisory
Exploit