Medium severity · published Jun 1, 2021
CVE-2021-23021
The Nginx Controller 3.x before 3.7.0 agent configuration file /etc/controller-agent/agent.conf is world readable with current permission bits set to 644
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
The Nginx Controller 3.x before 3.7.0 agent configuration file /etc/controller-agent/agent.conf is world readable with current permission bits set to 644.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NC
Nginx Controller · F5
3.0.0 before 3.7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-23021
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-23021
Vendor Advisory
https://support.f5.com/csp/article/K36926027
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