VULNERABILITY INTELLIGENCE

CVE-2021-31502

CVSS score7.8 HIGH

EPSS probability1.42%

CISA KEVNot currently listed

Published2021-06-15

Last modified2026-06-17

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

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 PDF files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13673.

Weakness classification

CWE-416: Use After Free

Primary references

zdi-disclosures@trendmicro.com — Third Party Advisory, VDB Entry
nvd@nist.gov — Third Party Advisory
nvd@nist.gov — Product
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry