Vulnerability Name:

CVE-2021-44759 (CCN-222445)

Assigned:2021-12-09
Published:2022-03-23
Updated:2022-10-14
Summary:Improper Authentication vulnerability in TLS origin validation of Apache Traffic Server allows an attacker to create a man in the middle attack. This issue affects Apache Traffic Server 8.0.0 to 8.1.0.
CVSS v3 Severity:8.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-287
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-44759

Source: XF
Type: UNKNOWN
apache-cve202144759-mitim(222445)

Source: CCN
Type: Apache Mailing List, Wednesday, March 23, 2022 9:34:14 AM EDT
Apache Traffic Server is vulnerable to potential smuggle and MITM attacks

Source: CONFIRM
Type: Mailing List, Vendor Advisory
N/A

Source: CCN
Type: Apache Web site
Traffic Server

Source: DEBIAN
Type: Third Party Advisory
DSA-5153

Vulnerable Configuration:Configuration 1:
  • cpe:/a:apache:traffic_server:*:*:*:*:*:*:*:* (Version >= 8.0.0 and <= 8.1.0)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:11.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:apache:traffic_server:8.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:8.1.0:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apache traffic server *
    debian debian linux 10.0
    debian debian linux 11.0
    apache traffic server 8.0.0
    apache traffic server 8.1.0 -