CVE-2021-35479: nagios log_server Cross-site Scripting
CVSS: 5.4v3.1MediumModified
Published 27-07-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-35479 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in nagios log_server. EPSS estimates a 13.15% chance of exploitation in the next 30 days, higher than 96.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.4/10
010
Medium · v3.1 (NVD)EPSS score
13.15%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 27-07-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Nagios Log Server before 2.1.9 contains Stored XSS in the custom column view for the alert history and audit log function through the affected pp parameter. This affects users who open a crafted link or third-party web page.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.4Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NSourcesSingle source
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
13.15%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 13.15% on 21-09-2026
21-09-202621-10-2026
EPSS score13.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (research.nccgroup.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Nagios1 product
- log_server< 2.1.9
1 vendor · 1 product