What’s Vulnerable › Vulnerabilities

CVE-2021-31513

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-29 · updated 2026-06-17
• Weakness: CWE-787

Description

This vulnerability allows remote attackers to execute arbitrary code 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 BMP files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13678.

Affected products

• OpenText Brava! Desktop: before 16.6.4.92 — fixed in 16.6.4.92

How to fix

Upgrade to a fixed version: OpenText Brava! Desktop 16.6.4.92. Check the vendor advisory for mitigations.

References

• https://www.zerodayinitiative.com/advisories/ZDI-21-691/
• 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=37f4ed0596f8ccacca7d571f22a38c97b0f19f4c
• https://www.opentext.com/products/brava
• https://www.zerodayinitiative.com/advisories/ZDI-21-691/

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