What’s Vulnerable › Vulnerabilities

CVE-2015-4138

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-05-30 · updated 2026-06-17
• Weakness: CWE-200

Description

The WebUI component in Blue Coat SSL Visibility Appliance SV800, SV1800, SV2800, and SV3800 3.6.x through 3.8.x before 3.8.4 does not include the HTTPOnly flag in a Set-Cookie header for the administrator's cookie, which makes it easier for remote attackers to obtain potentially sensitive information via script access to this cookie, a different vulnerability than CVE-2015-2855.

Affected products

• Blue Coat Ssl Visibility Appliance Sv1800 Firmware: through 3.8.3
• Blue Coat Ssl Visibility Appliance Sv2800 Firmware: through 3.8.3
• Blue Coat Ssl Visibility Appliance Sv3800 Firmware: through 3.8.3
• Blue Coat Ssl Visibility Appliance Sv800 Firmware: through 3.8.3

References

• http://www.kb.cert.org/vuls/id/498348
• https://bto.bluecoat.com/security-advisory/sa96
• http://www.kb.cert.org/vuls/id/498348
• https://bto.bluecoat.com/security-advisory/sa96

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