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CVE-2015-4138

4.3 · MEDIUM

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 admini…

Published May 30, 2015blue_coatCWE-200EPSS 1.39%

Overview

CVE-2015-4138 is a medium-severity vulnerability affecting blue_coat ssl_visibility_appliance_sv1800_firmware. It was published on May 30, 2015 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from blue_coat. Update ssl_visibility_appliance_sv1800_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
blue_coatssl_visibility_appliance_sv1800_firmware0Affected
blue_coatssl_visibility_appliance_sv800_firmware0Affected
blue_coatssl_visibility_appliance_sv3800_firmware0Affected
blue_coatssl_visibility_appliance_sv2800_firmware0Affected

References

Refwww.kb.cert.org/vuls/id/498348Refbto.bluecoat.com/security-advisory/sa96Refwww.kb.cert.org/vuls/id/498348Refbto.bluecoat.com/security-advisory/sa96

How CyberStrike helps

Frequently asked questions

What is CVE-2015-4138?

CVE-2015-4138 is a medium-severity vulnerability affecting blue_coat ssl_visibility_appliance_sv1800_firmware. It was published on May 30, 2015 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2015-4138?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-4138?

Check the references section for vendor advisories and patches from blue_coat. Update ssl_visibility_appliance_sv1800_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-4138?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-4138 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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