High severity · published Mar 23, 2022
CVE-2021-44759
Improper Authentication vulnerability in TLS origin validation of Apache Traffic Server allows an attacker to create a man in the middle attack
8.1
CVSS
1.6%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
TS
Traffic Server · Apache
8.0.0 through 8.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-44759
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-44759
Mailing List
https://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6
Third Party Advisory
https://www.debian.org/security/2022/dsa-5153
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9.8
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