Citrix · Citrix Gateway · CVE-2020-10110
**Name of the Vulnerable Software and Affected Versions**
Citrix Gateway versions 11.1 through 12.1
**Description**
The issue allows Information Exposure Through Caching. The `Via` header lists cache protocols and recipients between the start and end points for a request or a response. The `Age` header provides the age of the cached response in seconds. Both headers are commonly used for proxy cache and the information is not sensitive. Citrix disputes this as not a vulnerability, stating there is no sensitive information disclosure through the cache headers on Citrix ADC.
**Recommendations**
For Citrix Gateway versions 11.1 through 12.1, as a temporary workaround, consider restricting access to the cache headers to minimize the risk of exploitation.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.