Path traversal in SIMATIC eaSie PCS 7 Skill Package (6DL5424-0BX00-0AV8) - CVE-2021-42022
Published: January 6, 2022
Vulnerability identifier: #VU59238
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-42022
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system.
Affected software
SIMATIC eaSie PCS 7 Skill Package (6DL5424-0BX00-0AV8)
How to mitigate CVE-2021-42022
Install update from vendor's website.
SIMATIC eaSie PCS 7 Skill Package (6DL5424-0BX00-0AV8) - update to 21.00 SP3