How severe is CVE-2021-21314?

CVE-2021-21314 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-21314 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-21314?

CVE-2021-21314 affects Glpi-project Glpi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-21314?

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

When was CVE-2021-21314 published?

CVE-2021-21314 was published on 2021-03-03 and last updated on 2026-06-17.

CVE-2021-21314

CVE-2021-21314 is a medium-severity vulnerability in Glpi-project Glpi with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Glpi-project Glpi
Published: 2021-03-03
Last modified: 2026-06-17

Description

GLPI is open source software which stands for Gestionnaire Libre de Parc Informatique and it is a Free Asset and IT Management Software package. In GLPI before verison 9.5.4, there is an XSS vulnerability involving a logged in user while updating a ticket.

Frequently asked questions

What is CVE-2021-21314?: GLPI is open source software which stands for Gestionnaire Libre de Parc Informatique and it is a Free Asset and IT Management Software package. In GLPI before verison 9.5.4, there is an XSS vulnerability involving a logged in user while updating a ticket.
How severe is CVE-2021-21314?: CVE-2021-21314 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-21314 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21314?: CVE-2021-21314 affects Glpi-project Glpi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21314?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-21314 published?: CVE-2021-21314 was published on 2021-03-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:*

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