CVE-2006-0578
Blue Coat Proxy Security Gateway OS (SGOS) 4.1.2.1 does not enforce CONNECT rules when using Deep Content Inspection, which allows remote attackers to bypass connection filters.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.75%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Blue Coat Proxy Security Gateway OS (SGOS) 4.1.2.1 does not enforce CONNECT rules when using Deep Content Inspection, which allows remote attackers to bypass connection filters.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 1.75% probability · 78th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- bluecoat/sgos
- Source
- cve@mitre.org
EPSS 1.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://secunia.com/advisories/18622Vendor Advisory
- http://securitytracker.com/id?1015644
- http://www.bluecoat.com/support/knowledge/advisory_connect_denial_ignore.html
- http://www.osvdb.org/22853
- http://www.secumind.net/content/french/modules/news/article.php?storyid=8Vendor Advisory, URL Repurposed
- http://www.vupen.com/english/advisories/2006/0401
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24446
- http://secunia.com/advisories/18622Vendor Advisory
- http://securitytracker.com/id?1015644
- http://www.bluecoat.com/support/knowledge/advisory_connect_denial_ignore.html
- http://www.osvdb.org/22853
- http://www.secumind.net/content/french/modules/news/article.php?storyid=8Vendor Advisory, URL Repurposed
- http://www.vupen.com/english/advisories/2006/0401
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24446
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.