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CVE-2021-31483

24
FAUCET Score

CVE-2021-31483 is a heap-based buffer overflow vulnerability affecting OpenText Brava! Desktop 16.6.3.84, specifically within its DWF file parsing functionality. Exploitation requires user interaction, where a target must open a malicious file or visit a malicious page. This flaw allows remote attackers to achieve arbitrary code execution in the context of the current process, carrying a high CVSS score of 7.8 due to its high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
16.6.3.84CPE matchmatch criteria
cpe:2.3:a:opentext:brava\!_desktop:16.6.3.84:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.42%
Probability of exploitation in next 30 days
EPSS Percentile
70.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0142 is in the 68th percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cvedetails.com / vulnerability-list/vendor_id-2032/product_id-96672/Opentext-Brava-Desktop.html
Third Party Advisory
opentext.com / products/brava
Product
zerodayinitiative.com / advisories/ZDI-21-623
Third Party AdvisoryVDB Entry