High severity · published Nov 3, 2021
CVE-2021-38161
Improper Authentication vulnerability in TLS origin verification of Apache Traffic Server allows for man in the middle attacks
8.1
CVSS
2%
EPSS
No
On KEV
Description
Improper Authentication vulnerability in TLS origin verification of Apache Traffic Server allows for man in the middle attacks. This issue affects Apache Traffic Server 8.0.0 to 8.0.8.
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)2.0% · higher than 80% 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 8.0.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-38161
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-38161
Mailing List
https://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164
Third Party Advisory
https://www.debian.org/security/2022/dsa-5153
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