What is CVE-2021-31502?

CVE-2021-31502 is a high-severity vulnerability in Opentext Brava! Desktop, classified under Use After Free. CVSS score: 7.8/10. Published 2021-06-15.

How severe is CVE-2021-31502?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Opentext Brava! Desktop

CVE-2021-31502

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.

Vulnerability class: Use-After-Free

EPSS: 0.014 (70.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Opentext Brava! Desktop — versions Build 16.6.4.55
Opentext Brava\!_desktop — versions 16.6.4.55

Weakness classification (CWE)

CWE-416 — Use After Free

References

zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
nvd@nist.gov (Third Party Advisory)
nvd@nist.gov (Product)

Frequently asked questions

What is CVE-2021-31502?: CVE-2021-31502 is a high-severity vulnerability in Opentext Brava! Desktop, classified under Use After Free. CVSS score: 7.8/10. Published 2021-06-15.
How severe is CVE-2021-31502?: High severity. CVSS v3 base score is 7.8 out of 10.