CVE-2020-21699

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-21699
The web server Tengine 2.2.2 developed in the Nginx version from 0.5.6 thru 1.13.2 is vulnerable to an integer overflow vulnerability in the nginx range filter module, resulting in the leakage of potentially sensitive information triggered by specially crafted requests.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/ZxDecide/Nginx-variants/blob/master/%E9%99%84%E4%BB%B6%28Tengine%29.docx
Configurations

Configuration 1 (hide)

cpe:2.3:a:alibaba:tengine:2.2.2:*:*:*:*:nginx:*:*
History

07 Nov 2023, 03:19

Type Values Removed Values Added
References
  • {'url': 'https://github.com/ZxDecide/Nginx-variants/blob/master/%E9%99%84%E4%BB%B6(Tengine).docx', 'name': 'https://github.com/ZxDecide/Nginx-variants/blob/master/%E9%99%84%E4%BB%B6(Tengine).docx', 'tags': ['Exploit', 'Third Party Advisory'], 'refsource': 'MISC'}
  • () https://github.com/ZxDecide/Nginx-variants/blob/master/%E9%99%84%E4%BB%B6%28Tengine%29.docx -

28 Aug 2023, 21:17

Type Values Removed Values Added
CPE cpe:2.3:a:alibaba:tengine:2.2.2:*:*:*:*:nginx:*:*
CWE CWE-190
First Time Alibaba
Alibaba tengine
References (MISC) https://github.com/ZxDecide/Nginx-variants/blob/master/%E9%99%84%E4%BB%B6(Tengine).docx - (MISC) https://github.com/ZxDecide/Nginx-variants/blob/master/%E9%99%84%E4%BB%B6(Tengine).docx - Exploit, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5

22 Aug 2023, 20:10

Type Values Removed Values Added
New CVE
Information

Published : 2023-08-22 19:16

Updated : 2023-12-10 15:14

NVD link : CVE-2020-21699

Mitre link : CVE-2020-21699

CVE.ORG link : CVE-2020-21699

JSON object : View

Products Affected

alibaba

  • tengine
CWE
CWE-190

Integer Overflow or Wraparound