CVE-2020-8187: citrix application_delivery_controller Improper Input Validation
CVSS: 7.5v3.1HighModified
Published 10-07-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-8187 is a high (CVSS 7.5) Improper Input Validation vulnerability in citrix application_delivery_controller. EPSS estimates a 1.95% chance of exploitation in the next 30 days, higher than 79.8% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.95%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-07-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Improper input validation in Citrix ADC and Citrix Gateway versions before 11.1-63.9 and 12.0-62.10 allows unauthenticated users to perform a denial of service attack.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.95%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.95% on 18-09-2026
18-09-202618-10-2026
EPSS score1.95%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Citrix2 products
- application_delivery_controller≥ 11.1, < 11.1-63.9 | ≥ 12.0, < 12.0-62.10
- netscaler_gateway≥ 11.1, < 11.1-63.9 | ≥ 12.0, < 12.0-62.10
1 vendor · 2 products