Vulnerability in Bluecoat Advanced Secure Gateway
CVE-2015-8597
Open redirect vulnerability in Blue Coat ProxySG 6.5 before 6.5.8.8 and 6.6 and Advanced Secure Gateway (ASG) 6.6 might allow remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a base64-encoded URL in conjunction with a "clear text" one in a coaching page, as demonstrated by "http://www.%humbug-URL%.local/bluecoat-splash-API?%BASE64-URL%."
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.019 (79.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Bluecoat Advanced Secure Gateway — versions 6.6
- Bluecoat Proxysg
Public proof-of-concept exploits
References
- bto.bluecoat.com/security-advisory/sa107 (Vendor Advisory)
- knowitsecure.se/2015/12/18/knowit-secure-sakrar-bluecoat/ (Exploit)
- www.securitytracker.com/id/1034506 (vdb-entry)
Frequently asked questions
- What is CVE-2015-8597?
- CVE-2015-8597 is a high-severity vulnerability in Bluecoat Advanced Secure Gateway. CVSS score: 7.4/10. Published 2016-01-08.
- How severe is CVE-2015-8597?
- High severity. CVSS v3 base score is 7.4 out of 10.
- Is CVE-2015-8597 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.