CVE-2021-42537

Name: CVE-2021-42537
Creator: NVD / NIST
Published: 2022-07-27T21:15:08.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2021-42537 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.41%

32.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Visam	Vbase Web-Remote	11.6.0.6

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-308-01Mitigation, Third Party Advisory, US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-308-01Mitigation, Third Party Advisory, US Government Resource

Timeline

Published: Jul 27, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42537?

How severe is CVE-2021-42537?

CVE-2021-42537 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42537?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-42537?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST