CVE-2020-21699
High
Published: 22 August 2023
Published
22 August 2023
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
0.0026
50.2th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2020-21699 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Alibaba Tengine. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 49.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2020-14467
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
alibaba
tengine
2.2.2
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.