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CVE-2020-5735

Amcrest Cameras and NVR Stack-based Buffer Overflow Vulnerability

n/a
CVSS
35.6%
EPSS (exploit prob.)
98.3%
EPSS percentile
Yes
Actively exploited
No
Ransomware use
2021-11-03
Added

MITRE ATT&CK techniques

How this vulnerability maps to adversary behaviour, from the Center for Threat-Informed Defense's public CVE→ATT&CK mappings. Use it to check whether your detections already cover the technique.

TechniqueNameRelationship
T1574 Hijack Execution Flow primary impact
T1499 Endpoint Denial of Service secondary impact

Summary

Amcrest cameras and NVR contain a stack-based buffer overflow vulnerability through port 37777 that allows an unauthenticated, remote attacker to crash the device and possibly execute code.

Affected software

Vendor: Amcrest  ·  Product: Cameras and Network Video Recorder (NVR)

Weakness types (CWE):

CWE-121

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

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All information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.