CVE-2021-42537 VISAM VBASE Editor Improper Restriction of XML
An attacker can exploit XML entity processing to read arbitrary files from the server, impacting the integrity of embedded documents in VISAM VBASE.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-42537?
CVE-2021-42537 is a medium-severity vulnerability in VISAM VBASE Pro-RT/ Server-RT (Web Remote), published on 27 Jul 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
VISAM VBASE version 11.6.0.6 processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
Weakness: CWE-611
Which versions are affected by CVE-2021-42537?
It affects 1 product.
Products include Visam Vbase Web-Remote.
How do I fix CVE-2021-42537?
No fix has been published for CVE-2021-42537 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-42537 being exploited?
There is no known exploitation of CVE-2021-42537 in the wild and no public exploit code.
Other vulnerabilities in VISAM VBASE Pro-RT/ Server-RT (Web Remote)
Sources
Also known as GHSA-wc5v-h4fq-4g72.