CVE-2019-6485

moderate-risk
Published 2019-02-22

Citrix NetScaler Gateway 12.1 before build 50.31, 12.0 before build 60.9, 11.1 before build 60.14, 11.0 before build 72.17, and 10.5 before build 69.5 and Application Delivery Controller (ADC) 12.1 before build 50.31, 12.0 before build 60.9, 11.1 before build 60.14, 11.0 before build 72.17, and 10.5 before build 69.5 allow remote attackers to obtain sensitive plaintext information because of a TLS Padding Oracle Vulnerability when CBC-based cipher suites are enabled.

Do I need to act?

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0.39% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (10)

Netscaler Application Delivery Controller Firmware
Netscaler Application Delivery Controller Firmware
Netscaler Application Delivery Controller Firmware
Netscaler Application Delivery Controller Firmware
Netscaler Application Delivery Controller Firmware

Affected Vendors

Citrix

References (6)

Third Party Advisory http://www.securityfocus.com/bid/106783
Product https://github.com/RUB-NDS/TLS-Padding-Oracles
Mitigation https://support.citrix.com/article/CTX240139
Third Party Advisory http://www.securityfocus.com/bid/106783
Product https://github.com/RUB-NDS/TLS-Padding-Oracles
Mitigation https://support.citrix.com/article/CTX240139
35
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 16/34 · Moderate