CVE-2016-9091
CVE-2016-9091 is a high-severity vulnerability in Bluecoat Advanced Secure Gateway with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- CVSS v2: 9.0
- EPSS exploit prediction: 10% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Bluecoat Advanced Secure Gateway
- Published:
- Last modified:
Description
Blue Coat Advanced Secure Gateway (ASG) 6.6 before 6.6.5.4 and Content Analysis System (CAS) 1.3 before 1.3.7.4 are susceptible to an OS command injection vulnerability. An authenticated malicious administrator can execute arbitrary OS commands with elevated system privileges.
Frequently asked questions
- What is CVE-2016-9091?
- Blue Coat Advanced Secure Gateway (ASG) 6.6 before 6.6.5.4 and Content Analysis System (CAS) 1.3 before 1.3.7.4 are susceptible to an OS command injection vulnerability. An authenticated malicious administrator can execute arbitrary OS commands with elevated system privileges.
- How severe is CVE-2016-9091?
- CVE-2016-9091 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-9091 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-9091?
- CVE-2016-9091 primarily affects Bluecoat Advanced Secure Gateway. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-9091?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-9091 published?
- CVE-2016-9091 was published on 2017-04-05 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/97372
- https://bto.bluecoat.com/security-advisory/sa138
- https://www.exploit-db.com/exploits/41785/
- https://www.exploit-db.com/exploits/41786/
Affected products (2)
- cpe:2.3:a:bluecoat:advanced_secure_gateway:*:*:*:*:*:*:*:*
- cpe:2.3:a:bluecoat:content_analysis_system_software:*:*:*:*:*:*:*:*
More vulnerabilities in Bluecoat Advanced Secure Gateway
- CVE-2016-6594 — High (CVSS 7.5): Blue Coat Advanced Secure Gateway 6.6, CacheFlow 3.4, ProxySG 6.5 and 6.6 allows remote attackers to bypass blocked…
- CVE-2015-8597 — High (CVSS 7.4): 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…
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