Main Vulnerability Database Vulnerabilities #VU54638

Arbitrary file upload in MDT AutoSave and AutoSave for System Platform (A4SP) - CVE-2021-32961

Published: July 9, 2021

Vulnerability identifier: #VU54638

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-32961

CWE-ID: CWE-434

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload within the getfile function. A remote attacker can execute an unzip command and place a malicious .exe file in one of the locations the function looks for and get execution capabilities.

Affected software

MDT AutoSave
AutoSave for System Platform (A4SP)

How to mitigate CVE-2021-32961

Install updates from vendor's website.

MDT AutoSave - addressed in versions 6.02.06, 7.05
AutoSave for System Platform (A4SP) - addressed in versions 4.01, 5.01

External References

https://ics-cert.us-cert.gov/advisories/icsa-21-189-02

Related Security Bulletins