CVE-2020-8357 Path traversal in PCManager

What is CVE-2020-8357?

CVE-2020-8357 is a medium-severity path traversal vulnerability in Lenovo PCManager, published on 9 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A denial of service vulnerability was reported in Lenovo PCManager, prior to version 3.0.200.2042, that could allow configuration files to be written to non-standard locations.

Weakness: CWE-276

Which versions are affected by CVE-2020-8357?

It affects 1 product.

Products include Lenovo Pcmanager.

How do I fix CVE-2020-8357?

No fix has been published for CVE-2020-8357 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2020-8357 being exploited?

There is no known exploitation of CVE-2020-8357 in the wild and no public exploit code.

Other vulnerabilities in Lenovo PCManager

• CVE-2025-10581 Privilege escalation in PC Manager High 8.5
• CVE-2025-8486 Privilege escalation in PC Manager High 8.5
• CVE-2025-8098 Privilege escalation in PC Manager High 8.5
• CVE-2025-2501 Privilege escalation in PC Manager High 8.5
• CVE-2025-2502 Privilege escalation in PC Manager High 8.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-rfpq-vm43-jgcv.