CVE-2020-9481

Debian Security Advisory 4672-1

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Apache ATS 6.0.0 to 6.2.3, 7.0.0 to 7.1.9, and 8.0.0 to 8.0.6 is vulnerable to a HTTP/2 slow read attack.

Apache ATS versiones 6.0.0 hasta 6.2.3, versiones 7.0.0 hasta la versión 7.1.9 y versiones 8.0.0 hasta 8.0.6, es vulnerable a un ataque de lectura lenta de HTTP/2.

Several vulnerabilities were discovered in Apache Traffic Server, a reverse and forward proxy server, which could result in denial of service or request smuggling attacks.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-03-01 CVE Reserved
2020-04-27 CVE Published
2024-08-04 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://lists.apache.org/thread.html/r21ddaf0a4a973f3c43c7ff399ae50d2f858f13f87bd6a9551c5cf6db%40%3Cannounce.trafficserver.apache.org%3E	2020-08-18

URL	Date	SRC
https://www.debian.org/security/2020/dsa-4672	2020-08-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache Search vendor "Apache"		Traffic Server Search vendor "Apache" for product "Traffic Server"				>= 6.0.0 <= 6.2.3 Search vendor "Apache" for product "Traffic Server" and version " >= 6.0.0 <= 6.2.3"		-		Affected
Apache Search vendor "Apache"		Traffic Server Search vendor "Apache" for product "Traffic Server"				>= 7.0.0 <= 7.1.9 Search vendor "Apache" for product "Traffic Server" and version " >= 7.0.0 <= 7.1.9"		-		Affected
Apache Search vendor "Apache"		Traffic Server Search vendor "Apache" for product "Traffic Server"				>= 8.0.0 <= 8.0.6 Search vendor "Apache" for product "Traffic Server" and version " >= 8.0.0 <= 8.0.6"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected