Medium severity · published Feb 22, 2019
CVE-2019-6485
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…
5.9
CVSS
2.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NA
Netscaler Application Delivery Controller Firmware · Citrix
10.5; 11.0; 11.1; 12.0; 12.1 · source: NVD
NG
Netscaler Gateway Firmware · Citrix
10.5; 11.0; 11.1; 12.0; 12.1 · source: NVD
Affected product
NA
Netscaler Application Delivery Controller Firmware
Citrix
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6485
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6485
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
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