Login Request a demo
High severity · published Jun 14, 2023
CVE-2023-33933
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundation Apache Traffic Server.This issue affects Apache Traffic Server: from 8.0.0…
7.5
CVSS
1.5%
EPSS
No
On KEV
Description
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundation Apache Traffic Server.This issue affects Apache Traffic Server: from 8.0.0 through 9.2.0. 8.x users should upgrade to 8.1.7 or later versions 9.x users should upgrade to 9.2.1 or later versions
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)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TS
Traffic Server · Apache
8.0.0 before 8.1.7; 9.0.0 before 9.2.1 · source: NVD
Affected product
TS
Traffic Server
Apache
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-33933
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-33933
Mailing List
https://lists.apache.org/thread/tns2b4khyyncgs5v5p9y35pobg9z2bvs
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/06/msg00037.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6GDCBNFDDW6ULW7CACJCPENI7BVDHM5O/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FGWXNAEEVRUZ5JG4EJAIIFC3CI7LFETV/
www.debian.org
https://www.debian.org/security/2023/dsa-5435
More from Traffic Server
10.0
CVE-2026-58162
Apache Traffic Server: Certifier plugin trusts client SNI when generating certificates
10.0
CVE-2026-58150
Apache Traffic Server: HTTP/2 requests with Transfer-Encoding are not rejected, allowing request smuggling
10.0
CVE-2026-57834
Apache Traffic Server: Malformed chunked message body allows request smuggling
9.8
CVE-2026-58185
Apache Traffic Server: Use-after-free in the intercept plugin
9.8
CVE-2026-58179
Apache Traffic Server: regex_remap plugin overflows the stack from attacker input