Strix
26.1K

CVE-2021-22927

HIGHCVSS 8.1/10EPSS 0.84%

Last modified

CVE-2021-22927 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 0.84% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
8.1/10

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

EPSS Probability
0.84%

53.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CitrixApplication Delivery Controller Firmware>= 11.1, < 11.1-65.22
CitrixApplication Delivery Controller Firmware>= 12.1, < 12.1-62.27
CitrixApplication Delivery Controller Firmware>= 13.0, < 13.0-82.45
CitrixApplication Delivery Controller Firmware>= 12.1, < 12.1-55.238
CitrixGateway>= 12.1, < 12.1-62.27
CitrixGateway>= 13.0, < 13.0-82.45
CitrixNetscaler Gateway>= 11.1, < 11.1-65.22

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-22927?
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.
How severe is CVE-2021-22927?
CVE-2021-22927 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22927?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-22927?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST