Cyber Resilience

CVE-2021-21832

CriticalPublic PoC

Published: 17 August 2021

Published
17 August 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0056 68.7th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-21832 is a critical-severity Integer Overflow to Buffer Overflow (CWE-680) vulnerability in Disc-Soft Daemon Tools. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 31.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A memory corruption vulnerability exists in the ISO Parsing functionality of Disc Soft Ltd Deamon Tools Pro 8.3.0.0767. A specially crafted malformed file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.

CWE(s)
CWE-680CWE-190

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

disc-soft
daemon tools
8.3.0.0767

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References