CVE-2020-8187 is a denial-of-service vulnerability affecting Citrix ADC and Citrix Gateway versions prior to 11.1-63.9 and 12.0-62.10, stemming from improper input validation. This flaw allows unauthenticated attackers to disrupt services. With a CVSS score of 7.5 (High), it presents a low-complexity network attack that can lead to a complete denial of service without requiring user interaction. While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 11.1, < 11.1-63.9CPE matchmatch criteria | cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* | ||
>= 12.0, < 12.0-62.10CPE matchmatch criteria | cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* | ||
>= 11.1, < 11.1-63.9CPE matchmatch criteria | cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* | ||
>= 12.0, < 12.0-62.10CPE matchmatch criteria | cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.