Home/CVE/Nagios Log Server before 2.1.9 contains Reflected XSS in the dropdown box for the alert history and audit log function.
CVE

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.

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.

MEDIUM · CVSS 5.4 EPSS 0.49203
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
nagios log server< 2.1.9
⚠

Public Exploits & PoCs

1
pocresearch.nccgroup.com · technical-advisory-stored-and-reflected-xss-vulnerability...research.nccgroup.com
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Jul 2021 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://research.nccgroup.com/?research=TechnicalThird Party Advisory
https://www.nagios.com/downloads/nagios-log-server/change-log/Release NotesVendor Advisory
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