5.4

CVE-2021-27676: centreon Cross-site Scripting

CVSS: 5.4v3.1MediumModified
Published 26-05-2021Last modified 09-07-2026
Open JSON

Vulnerability summary

CVE-2021-27676 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in centreon. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 48.6% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (NVD)
EPSS score
0.62%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-05-2021
    PublishedVulnerability first disclosed.
  2. 09-07-2026
    Last modifiedVulnerability information updated.

Description

Centreon version 20.10.2 is affected by a cross-site scripting (XSS) vulnerability. The dep_description (Dependency Description) and dep_name (Dependency Name) parameters are vulnerable to stored XSS. A user has to log in and go to the Configuration > Notifications > Hosts page.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.62%

Chance of exploitation in the next 30 days

Percentile

49%

Versus all other CVEs

30-day change

0.00 pp

From 0.62% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.62%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Centreon1 product

1 vendor · 1 product

References

1 links