Home→Vulnerabilities→CVE-2021-31493
Disclosed

CVE-2021-31493

This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop 16.6.3.84. 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 DXF files. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13304.

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Exploitation Probability (EPSS)

Low Priority
0.48%

The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.

0% (Theoretical)100% (Certainty)

7-Day Exploitation Trend

Vulnerability Timeline

2 events
Jun 15, 2021
Vulnerability Disclosed
Published to component-level vulnerability database.
Oct 3, 2023
Last Updated
Record updated with new analysis or tags.

Threat Actor Attribution

PREMIUM INTEL
Associated Groups:Lazarus Group, APT28
Ransomware Campaigns:LockBit 3.0, BlackCat
IoCs (Indicators):14 IPs, 3 Hashes

Remediation & Mitigation

SOLUTION

Official patches and mitigation steps are available for this vulnerability.

# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name

Affected Products

1 Total
opentext/brava\!_desktop16.6.3.84

References

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=37f4ed0596f8ccacca7d571f22a38c97b0f19f4cCvedetails
Third Party Advisory
https://www.opentext.com/products/bravaOpentext
Product
https://www.zerodayinitiative.com/advisories/ZDI-21-633/Zerodayinitiative
Third Party AdvisoryVDB Entry

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Check your domain or package.json for CVE-2021-31493 exposure.

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Vulnerability Details

CVSS Base Score
7.8/ 10
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published Date
Jun 15, 2021
Last Modified
Oct 3, 2023
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