Information disclosure in Citrix Application Delivery Controller Firmware
CVE-2017-17549
Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 allow remote attackers to obtain sensitive information from the backend client TLS handshake by leveraging use of TLS with Client Certificates and a Diffie-Hellman Ephemeral (DHE) key exchange.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.016 (75.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Citrix Application Delivery Controller Firmware — versions 10.5, 11.0, 11.1
- Citrix Netscaler Gateway Firmware — versions 10.5, 11.0, 11.1
Weakness classification (CWE)
References
- www.securitytracker.com/id/1040011 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/102177 (VDB Entry, Third Party Advisory, vdb-entry)
- support.citrix.com/article/ctx230612 (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-17549?
- CVE-2017-17549 is a medium-severity vulnerability in Citrix Application Delivery Controller Firmware, classified under Information Disclosure. CVSS score: 5.9/10. Published 2017-12-13.
- How severe is CVE-2017-17549?
- Medium severity. CVSS v3 base score is 5.9 out of 10.