Resource exhaustion in Citrix Application_delivery_controller
CVE-2021-22956
An uncontrolled resource consumption vulnerability exists in Citrix ADC <13.0-83.27, <12.1-63.22 and 11.1-65.23 that could allow an attacker with access to NSIP or SNIP with management interface access to cause a temporary disruption of th…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.009 (55.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Citrix Application_delivery_controller
- Citrix Application_delivery_controller_firmware
- Citrix Gateway
- Citrix Sd-wan
- N/a Citrix Adc, Gateway, Sdwan — versions Citrix ADC 11.1,12.1,13.0,13.1
Weakness classification (CWE)
References
- support@hackerone.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22956?
- CVE-2021-22956 is a high-severity vulnerability in Citrix Application_delivery_controller, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-12-07.
- How severe is CVE-2021-22956?
- High severity. CVSS v3 base score is 7.5 out of 10.