CVE-2015-2855
The WebUI component in Blue Coat SSL Visibility Appliance SV800, SV1800, SV2800, and SV3800 3.6.x...
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 set the secure flag for the administrator's cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session, a different vulnerability than CVE-2015-4138.
Exploit likelihood
What each source reports
NVD Score used
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 set the secure flag for the administrator's cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session, a different vulnerability than CVE-2015-4138.
- Record
CVE-2015-2855- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
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 set the secure flag for the administrator's cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session, a different vulnerability than CVE-2015-4138.
- Record
CVE-2015-2855- Updated
- 2026-11-02
EUVDEUVD-2015-2943 No score
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 set the secure flag for the administrator's cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session, a different vulnerability than CVE-2015-4138.
- Record
EUVD-2015-2943- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xq5w-8f3v-gx7x No score
The WebUI component in Blue Coat SSL Visibility Appliance SV800, SV1800, SV2800, and SV3800 3.6.x...
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 set the secure flag for the administrator's cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session, a different vulnerability than CVE-2015-4138.
- Record
GHSA-xq5w-8f3v-gx7x- Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-2855 is a medium vulnerability (CVSS 4.3) in Blue Coat Ssl Visibility Appliance Sv1800 Firmware, published May 30, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.41%, the 72nd percentile. No source names a fixed version.