Vulnerability Details : CVE-2021-32566

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.
Published 2021-06-30 08:15:07
Updated 2021-09-20 18:54:29
Source Apache Software Foundation
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of service

Products affected by CVE-2021-32566

Threat overview for CVE-2021-32566

Top countries where our scanners detected CVE-2021-32566
Top open port discovered on systems with this issue 80
IPs affected by CVE-2021-32566 1,790
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-32566!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-32566

EPSS FAQ
0.10%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-32566

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST

CWE ids for CVE-2021-32566

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security@apache.org (Secondary)

References for CVE-2021-32566

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