VULNERABILITY INTELLIGENCE

CVE-2021-32566

CVSS score7.5 HIGH

EPSS probability2.45%

CISA KEVNot currently listed

Published2021-06-30

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

Improper Input Validation vulnerability in HTTP/2 of Apache Traffic Server allows an attacker to DOS the server. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.

Weakness classification

security@apache.org: CWE-20
nvd@nist.gov: CWE-20

Primary references

security@apache.org — Mailing List, Vendor Advisory
security@apache.org — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory