How severe is CVE-2021-28055?

CVE-2021-28055 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-28055 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28055?

CVE-2021-28055 affects Centreon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-28055?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-28055 published?

CVE-2021-28055 was published on 2021-04-15 and last updated on 2026-06-17.

CVE-2021-28055

CVE-2021-28055 is a medium-severity vulnerability in Centreon with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-330.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Centreon
Published: 2021-04-15
Last modified: 2026-06-17

Description

An issue was discovered in Centreon-Web in Centreon Platform 20.10.0. The anti-CSRF token generation is predictable, which might allow CSRF attacks that add an admin user.

Frequently asked questions

What is CVE-2021-28055?: An issue was discovered in Centreon-Web in Centreon Platform 20.10.0. The anti-CSRF token generation is predictable, which might allow CSRF attacks that add an admin user.
How severe is CVE-2021-28055?: CVE-2021-28055 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-28055 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28055?: CVE-2021-28055 affects Centreon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28055?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-28055 published?: CVE-2021-28055 was published on 2021-04-15 and last updated on 2026-06-17.

References

https://github.com/centreon/centreon/pull/9612

Affected products (1)

cpe:2.3:a:centreon:centreon:20.10.0:*:*:*:*:*:*:*

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