// For flags

CVE-2022-31778

Transfer-Encoding not treated as hop-by-hop

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Improper Input Validation vulnerability in handling the Transfer-Encoding header of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 8.0.0 to 9.0.2.

Una vulnerabilidad de Comprobación de Entrada Inapropiada en el manejo de el encabezado Transfer-Encoding de Apache Traffic Server permite a un atacante envenenar la caché. Este problema afecta a Apache Traffic Server versiones 8.0.0 a 9.0.2

*Credits: Apache Traffic Server would like to thank Chris Lemmons for reporting this issue.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-05-27 CVE Reserved
  • 2022-08-10 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-06 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
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"
 >= 8.0.0 <= 8.1.4
Search vendor "Apache" for product "Traffic Server" and version " >= 8.0.0 <= 8.1.4"
-
Affected
Apache
Search vendor "Apache"
 Traffic Server
Search vendor "Apache" for product "Traffic Server"
 >= 9.0.0 <= 9.1.2
Search vendor "Apache" for product "Traffic Server" and version " >= 9.0.0 <= 9.1.2"
-
Affected
Debian
Search vendor "Debian"
 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 11.0
Search vendor "Debian" for product "Debian Linux" and version "11.0"
-
Affected