XSS in Nagios Log_server
CVE-2021-35478
Nagios Log Server before 2.1.9 contains Reflected XSS in the dropdown box for the alert history and audit log function. All parameters used for filtering are affected. This affects users who open a crafted link or third-party web page.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.766 (99.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Nagios Log_server
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-35478?
- CVE-2021-35478 is a medium-severity vulnerability in Nagios Log_server, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-07-30.
- How severe is CVE-2021-35478?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2021-35478 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.