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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.92%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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%."
- CVSS 3.0
- 7.4 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
- EPSS
- 1.92% probability · 79th percentile
- CISA KEV
- Not listed
- Affected
- bluecoat/proxysg · bluecoat/advanced secure gateway
- Source
- cve@mitre.org
References
- http://knowitsecure.se/2015/12/18/knowit-secure-sakrar-bluecoat/Exploit
- http://www.securitytracker.com/id/1034506
- https://bto.bluecoat.com/security-advisory/sa107Vendor Advisory
- http://knowitsecure.se/2015/12/18/knowit-secure-sakrar-bluecoat/Exploit
- http://www.securitytracker.com/id/1034506
- https://bto.bluecoat.com/security-advisory/sa107Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.