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Back to active CVEs
High · CVSS 7.5CVE-2021-36343

CVE Program ContainerCVE-2021-36343

Answer in brief

CVE-2021-36343 records a High severity (CVSS 7.5) vulnerability in CVE Program Container. The current sources do not mark it as known exploited. The current feed maps Dell/CPG BIOS (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jan 24, 2022Updated Oct 7, 2026Source checked Oct 7, 2026First seen by HOL Oct 7, 2026Material review Oct 7, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Dell/CPG BIOS (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Dell/CPG BIOSgeneric>=unspecified <1.141.14

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Dell/CPG BIOS.
  2. 2Review the reported fix. Update Dell/CPG BIOS to 1.14 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jan 24, 2022

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 7, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 7, 2026

Sources and claim methodology

  • Source referencedell.com
Upstream source description

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Gimp: gimp: heap buffer overflow in pcx export on oversized image dimensionsAlso CWE-119
  • Gimp: gimp: heap buffer overflow in raw data export on oversized image dimensionsAlso CWE-119
  • Gimp: gimp: heap buffer overflow in hot color filter on oversized imageAlso CWE-119
  • Cisco Meraki Hardening Release October 2026 - Buffer Management VulnerabilitiesAlso CWE-119
  • Apache Geode: Management REST API: Insertion of Sensitive Information into Log FileSame generic ecosystem
  • Infinite Loop in Telerik Document Processing XLS ImportSame generic ecosystem

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-119
Source
CVE List V5
Source checked
Oct 7, 2026
References
1 linked source
Open source record