High severity · published Aug 10, 2022
CVE-2021-37150
Protocol vs scheme mismatch
7.5
CVSS
2.3%
EPSS
No
On KEV
Description
Improper Input Validation vulnerability in header parsing of Apache Traffic Server allows an attacker to request secure resources. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AT
Apache Traffic Server · Apache Software Foundation
8.0.0 to 9.1.2 · source: vendor
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
FE
Fedora · Fedoraproject
35; 36 · source: NVD
TS
Traffic Server · Apache
8.0.0 through 8.1.4; 9.0.0 through 9.1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-37150
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-37150
Mailing List
https://lists.apache.org/thread/rc64lwbdgrkv674koc3zl1sljr9vwg21
Mailing List
https://lists.debian.org/debian-lts-announce/2023/01/msg00019.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CJ67IWD5PRJUOIYIDJRUG3UMS2UF4X4J/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZCSBQBYPOZSWS5LCOAQ6LJLRLXFIAW5A/
Third Party Advisory
https://www.debian.org/security/2022/dsa-5206
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