Multiple vulnerabilities were identified in Citrix Products. A remote attacker could exploit some of these vulnerabilities to trigger denial of service condition on the targeted system.
Impact
- Denial of Service
System / Technologies affected
- Citrix ADC and Citrix Gateway 13.0 before 13.0-83.27
- Citrix ADC and Citrix Gateway 12.1 before 12.1-63.22
- Citrix ADC and NetScaler Gateway 11.1 before 11.1-65.23
- Citrix ADC 12.1-FIPS before 12.1-55.257
- Citrix SD-WAN WANOP Edition 11.4 before 11.4.2
- Citrix SD-WAN WANOP Edition 10.2 before 10.2.9c
Solutions
Before installation of the software, please visit the software vendor web-site for more details.
- The vendor has issued a fix:
Citrix ADC and Citrix Gateway 13.1-4.43 and later releases of 13.1
Citrix ADC and Citrix Gateway 13.0-83.27 and later releases of 13.0
Citrix ADC and Citrix Gateway 12.1-63.22 and later releases of 12.1
Citrix ADC and NetScaler Gateway 11.1-65.23 and later releases of 11.1
Citrix ADC 12.1-FIPS 12.1-55.257 and later releases of 12.1-FIPS
Citrix SD-WAN WANOP Edition 11.4.2 and later releases of 11.4
Citrix SD-WAN WANOP Edition 10.2.9c and later releases of 10.2 - In addition, upon upgrading to a fixed version, Citrix recommends customers must modify the device configuration to resolve CVE-2021-22956.
Details please refer to: https://support.citrix.com/article/CTX331588
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