CVE-2021-22927

8.1 highEPSS 0.8%

High (8.1) in citrix. EPSS 0.8% chance of exploitation in the next 30 days.

A session fixation vulnerability exists in Citrix ADC and Citrix Gateway 13.0-82.45 when configured SAML service provider that could allow an attacker to hijack a session.

Severity

CVSS 3.1

8.1 high

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
CWE: CWE-384
Published: 2021-08-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

citrix:application_delivery_controller_firmware
citrix:gateway
citrix:netscaler_gateway

References

https://support.citrix.com/article/CTX319135
https://support.citrix.com/article/CTX319135

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