CVE-2021-42797 Path traversal in n/a

High 7.5 Published Updated

Unauthenticated attackers can exploit path traversal to steal Windows access tokens, enabling unauthorized data access and privilege escalation in AVEVA Edge.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-42797?

CVE-2021-42797 is a high-severity path traversal vulnerability in n/a, published on 16 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Path traversal vulnerability in AVEVA Edge (formerly InduSoft Web Studio) versions R2020 and prior allows an unauthenticated user to steal the Windows access token of the user account configured for accessing external DB resources.

Weakness: CWE-22

Which versions are affected by CVE-2021-42797?

It affects 1 product.

Products include Aveva Edge.

How do I fix CVE-2021-42797?

No fix has been published for CVE-2021-42797 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-2021-42797 being exploited?

There is no known exploitation of CVE-2021-42797 in the wild and no public exploit code.

Sources

Also known as GHSA-4wwr-56pj-4v9h.

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