Actively exploited · Published Jul 10, 2020 · Assigned by hackerone
CVE-2020-8193
Medium 6.5 Exploited
In plain English
A medium-severity improper access control in Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP. Attackers are actively exploiting it in the wild (listed by CISA on November 3, 2021). The chance it is exploited in the next 30 days is estimated at 88.3% (higher than 99.8% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by May 3, 2022.
Official description
Improper access control in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 allows unauthenticated access to certain URL endpoints.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP | Citrix ADC and Citrix Gateway 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP 11.1.1a, 11.0.3d and 10.2.7 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N