Medium severity · published Apr 21, 2022
CVE-2021-23055
On version 2.x before 2.0.3 and 1.x before 1.12.3, the command line restriction that controls snippet use with NGINX Ingress Controller does not apply to Ingress objects
6.5
CVSS
0.8%
EPSS
No
On KEV
Description
On version 2.x before 2.0.3 and 1.x before 1.12.3, the command line restriction that controls snippet use with NGINX Ingress Controller does not apply to Ingress objects. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NI
Nginx Ingress Controller · F5
1.0.0 before 1.12.3; 2.0.0 before 2.0.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-23055
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-23055
Mitigation
https://support.f5.com/csp/article/K01051452
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