Vulnerability · Published Dec 7, 2021 · Assigned by hackerone
CVE-2021-22956
High 7.5
In plain English
A high-severity uncontrolled resource consumption in Citrix ADC, Citrix Gateway, Citrix SDWAN. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)0.9%top 39.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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 the Management GUI, Nitro API, and RPC communication.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Citrix ADC, Citrix Gateway, Citrix SDWAN | Citrix ADC 11.1,12.1,13.0,13.1 |
Weakness: CWE-400
References
- https://support.citrix.com/article/CTX330728 x_refsource_MISC