XSS in Pulsesecure Pulse Connect Secure
CVE-2017-11195
Pulse Connect Secure 8.3R1 has Reflected XSS in launchHelp.cgi. The helpLaunchPage parameter is reflected in an IFRAME element, if the value contains two quotes. It properly sanitizes quotes and tags, so one cannot simply close the src with a quote and inject after that. However, an attacker can use javascript: or data: to abuse this.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.009 (58.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Pulsesecure Pulse Connect Secure — versions 8.3r1.0
Weakness classification (CWE)
References
- twitter.com/sxcurity/status/884556905145937921 (Third Party Advisory)
- www.sxcurity.pro/Multiple XSS and CSRF in Pulse Connect Secure v8.3R1.pdf (Third Party Advisory)
- www.securityfocus.com/bid/99615 (vdb-entry)
Frequently asked questions
- What is CVE-2017-11195?
- CVE-2017-11195 is a medium-severity vulnerability in Pulsesecure Pulse Connect Secure, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-07-12.
- How severe is CVE-2017-11195?
- Medium severity. CVSS v3 base score is 6.1 out of 10.