CVE-2015-4138

Name: CVE-2015-4138
Creator: NVD / NIST
Published: 2015-05-30T19:59:09.097+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.42%

Last modified Jun 17, 2026

CVE-2015-4138 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.42% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.42%

69.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Blue Coat	Ssl Visibility Appliance Sv1800 Firmware	<= 3.8.3
Blue Coat	Ssl Visibility Appliance Sv800 Firmware	<= 3.8.3
Blue Coat	Ssl Visibility Appliance Sv3800 Firmware	<= 3.8.3
Blue Coat	Ssl Visibility Appliance Sv2800 Firmware	<= 3.8.3

References

http://www.kb.cert.org/vuls/id/498348Third Party Advisory, US Government Resource
https://bto.bluecoat.com/security-advisory/sa96Vendor Advisory
http://www.kb.cert.org/vuls/id/498348Third Party Advisory, US Government Resource
https://bto.bluecoat.com/security-advisory/sa96Vendor Advisory

Timeline

Published: May 30, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-4138?

How severe is CVE-2015-4138?

Severity scoring for CVE-2015-4138 is pending analysis. The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.

How do I fix CVE-2015-4138?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST