CVE-2020-19695

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-19695
Buffer Overflow found in Nginx NJS allows a remote attacker to execute arbitrary code via the njs_object_property parameter of the njs/njs_vm.c function.

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/nginx/njs/issues/188 Exploit Issue Tracking Patch
https://github.com/nginx/njs/issues/188 Exploit Issue Tracking Patch
Configurations

Configuration 1 (hide)

cpe:2.3:a:f5:njs:*:*:*:*:*:*:*:*
History

12 Aug 2025, 18:09

Type Values Removed Values Added
First Time F5 njs
F5
CPE cpe:2.3:a:nginx:njs:2019-06-27:*:*:*:*:*:*:*
cpe:2.3:a:nginx:njs:*:*:*:*:*:*:*:*		 cpe:2.3:a:f5:njs:*:*:*:*:*:*:*:*

14 Feb 2025, 20:15

Type Values Removed Values Added
References (MISC) https://github.com/nginx/njs/issues/188 - Exploit, Issue Tracking, Patch () https://github.com/nginx/njs/issues/188 - Exploit, Issue Tracking, Patch

10 Apr 2023, 19:16

Type Values Removed Values Added
CWE CWE-120
References (MISC) https://github.com/nginx/njs/issues/188 - (MISC) https://github.com/nginx/njs/issues/188 - Exploit, Issue Tracking, Patch
CPE cpe:2.3:a:nginx:njs:*:*:*:*:*:*:*:*
cpe:2.3:a:nginx:njs:2019-06-27:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8
First Time Nginx njs
Nginx

04 Apr 2023, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-04-04 15:15

Updated : 2025-08-12 18:09

NVD link : CVE-2020-19695

Mitre link : CVE-2020-19695

JSON object : View

Products Affected

f5

  • njs
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')