CVE-2021-31506

Name: CVE-2021-31506
Creator: NVD / NIST
Published: 2021-06-29T15:15:19.087+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 1.42%

Last modified Jun 17, 2026

CVE-2021-31506 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. This vulnerability allows remote attackers to disclose sensitive information on affected installations of OpenText Brava! Desktop Build 16.6.4.55. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. EPSS estimates a 1.42% chance of exploitation in the next 30 days.

Description

This vulnerability allows remote attackers to disclose sensitive information on affected installations of OpenText Brava! Desktop Build 16.6.4.55. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-13674.

Metrics

CVSS 3.1

3.3/10

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

EPSS Probability

1.42%

69.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Opentext	Brava\! Desktop	< 16.6.4.92

References

https://www.zerodayinitiative.com/advisories/ZDI-21-647/Third Party Advisory, VDB Entry
https://www.cvedetails.com/vulnerability-list/vendor_id-2032/product_id-96672/Opentext-Brava-Desktop.html?page=1&opec=1&order=1&trc=35&sha=37f4ed0596f8ccacca7d571f22a38c97b0f19f4cThird Party Advisory
https://www.opentext.com/products/bravaProduct
https://www.zerodayinitiative.com/advisories/ZDI-21-647/Third Party Advisory, VDB Entry

Timeline

Published: Jun 29, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31506?

How severe is CVE-2021-31506?

CVE-2021-31506 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31506?

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-2021-31506?

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

Scan your code now

Source: NVD / NIST