TI-2020-14150 Aliases CVE-2020-21699 GHSA-2v88-4p33-63hj

The web server Tengine 2.2.2 developed in the Nginx version from 0.5.6 thru 1.13.2 is…

MEDIUM 40CWE-190Published 2023-08-22 · Updated 2024-10-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00803 56th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:alibaba:tengine:2.2.2:::::nginx::	2.2.2	Vulnerable	Alibaba

cpe:2.3:a:alibaba:tengine:2.2.2:*:*:*:*:nginx:*:* Versions 2.2.2 Vulnerable ·Alibaba

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-21699
2026-10-03 Alias added: GHSA-2v88-4p33-63hj

References

Other 1

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

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences