Medium severity · published Oct 14, 2021
CVE-2021-33179
The general user interface in Nagios XI versions prior to 5.8.4 is vulnerable to authenticated reflected cross-site scripting
6.1
CVSS
11.7%
EPSS
No
On KEV
Description
The general user interface in Nagios XI versions prior to 5.8.4 is vulnerable to authenticated reflected cross-site scripting. An authenticated victim, who accesses a specially crafted malicious URL, would unknowingly execute the attached payload.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)11.7% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NX
Nagios XI · Nagios
before 5.8.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33179
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33179
Third Party Advisory
https://www.synopsys.com/blogs/software-security/cyrc-advisory-nagios-xi
More from Nagios XI
8.8
CVE-2021-25297
Nagios XI OS Command Injection
8.8
CVE-2021-25298
Nagios XI OS Command Injection
8.8
CVE-2021-25296
Nagios XI OS Command Injection
8.8
CVE-2019-15949
Nagios XI Remote Code Execution Vulnerability
9.8
CVE-2024-13996
Nagios XI < 2024R1.1.3 Session Not Invalidated After Password Change