High severity · published May 14, 2021
CVE-2021-27737
Apache Traffic Server 9.0.0 is vulnerable to a remote DOS attack on the experimental Slicer plugin
7.5
CVSS
3.7%
EPSS
No
On KEV
Description
Apache Traffic Server 9.0.0 is vulnerable to a remote DOS attack on the experimental Slicer plugin.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.7% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TS
Traffic Server · Apache
9.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27737
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-27737
Mailing List
https://lists.apache.org/thread.html/r74f72650c3590478f028ea3a1b8cab2a33d20ad9ff407e894ca70525%40%3Cannounce.trafficserver.apache.org%3E
lists.apache.org
https://lists.apache.org/thread.html/r74f72650c3590478f028ea3a1b8cab2a33d20ad9ff407e894ca70525%40%3Cdev.trafficserver.apache.org%3E
lists.apache.org
https://lists.apache.org/thread.html/r74f72650c3590478f028ea3a1b8cab2a33d20ad9ff407e894ca70525%40%3Cusers.trafficserver.apache.org%3E
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