CVE-2021-27676

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Summary

CVECVE-2021-27676
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-26 11:15:08 UTC
Updated2026-07-09 01:16:48 UTC
DescriptionCentreon 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.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.006140000 probability, percentile 0.452670000 (date 2026-07-12)

Problem Types: CWE-79 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
2.0[email protected]Primary3.5AV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:M/Au:S/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Centreon Centreon 20.10.2 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
fix(security) sanitize notification dependency forms by loiclau · Pull Request #9587 · centreon/centreon · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch, Third Party Advisory
Centreon | Supervision Informatique : Infrastuctures Hybrides, Cloud, AIOps MITRE centreon.com
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