Citrix StoreFront Server XML External Entity (XXE) Processing Vulnerability (CVE-2019-13608)
Severity: high · Patch status: patched · Since 2021-11-03 · CVE-2019-13608
Citrix StoreFront Server contains an XML External Entity (XXE) processing vulnerability that may allow an unauthenticated attacker to retrieve potentially sensitive information. CISA added CVE-2019-13608 to its Known Exploited Vulnerabilities catalog on Nov 3, 2021, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by May 3, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
