CVE-2021-45027 Path traversal in n/a

High 7.5 Published Updated

An attacker can download arbitrary files from the Oliver v5 Library Server via unsanitized input in the FileServlet function.

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-2021-45027?

CVE-2021-45027 is a high-severity path traversal vulnerability in n/a, published on 1 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An arbitrary file download vulnerability in Oliver v5 Library Server Versions < 5.00.008.053 via the FileServlet function allows for arbitrary file download by an attacker using unsanitized user supplied input.

Weakness: CWE-494

Which versions are affected by CVE-2021-45027?

It affects 1 product.

Products include Softlinkint Oliver V5 Library.

How do I fix CVE-2021-45027?

No fix has been published for CVE-2021-45027 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-2021-45027 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-45027 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-pgpm-vjm2-c33c.

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