CVE-2021-35478

moderate-risk
Published 2021-07-30

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.

Do I need to act?

!
47.6% chance of exploitation in next 30 days
EPSS score — higher than 52% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Nagios

References (6)

Exploit https://research.nccgroup.com/2021/07/22/technical-advisory-stored-and-reflected...
Third Party Advisory https://research.nccgroup.com/?research=Technical%20advisories
Release Notes https://www.nagios.com/downloads/nagios-log-server/change-log/
Exploit https://research.nccgroup.com/2021/07/22/technical-advisory-stored-and-reflected...
Third Party Advisory https://research.nccgroup.com/?research=Technical%20advisories
Release Notes https://www.nagios.com/downloads/nagios-log-server/change-log/
43
/ 100
moderate-risk
Severity 21/34 · High
Exploitability 17/34 · Moderate
Exposure 5/34 · Minimal