How severe is CVE-2015-2853?

CVE-2015-2853 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2015-2853 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-2853?

CVE-2015-2853 primarily affects Blue Coat Ssl Visibility Appliance Sv3800 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-2853?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-2853 published?

CVE-2015-2853 was published on 2015-05-30 and last updated on 2026-06-17.

CVE-2015-2853

CVE-2015-2853 is a medium-severity vulnerability in Blue Coat Ssl Visibility Appliance Sv3800 Firmware with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Blue Coat Ssl Visibility Appliance Sv3800 Firmware
Published: 2015-05-30
Last modified: 2026-06-17

Description

Session fixation vulnerability in 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 allows remote attackers to hijack web sessions by providing a session ID.

Frequently asked questions

What is CVE-2015-2853?: Session fixation vulnerability in 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 allows remote attackers to hijack web sessions by providing a session ID.
How severe is CVE-2015-2853?: CVE-2015-2853 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2015-2853 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2853?: CVE-2015-2853 primarily affects Blue Coat Ssl Visibility Appliance Sv3800 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-2853?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-2853 published?: CVE-2015-2853 was published on 2015-05-30 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:blue_coat:ssl_visibility_appliance_sv3800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:blue_coat:ssl_visibility_appliance_sv2800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:blue_coat:ssl_visibility_appliance_sv1800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:blue_coat:ssl_visibility_appliance_sv800_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Blue Coat Ssl Visibility Appliance Sv3800 Firmware

CVE-2015-4138 — Medium (CVSS 4.3): The WebUI component in Blue Coat SSL Visibility Appliance SV800, SV1800, SV2800, and SV3800 3.6.x through 3.8.x before…
CVE-2015-2855 — Medium (CVSS 4.3): The WebUI component in Blue Coat SSL Visibility Appliance SV800, SV1800, SV2800, and SV3800 3.6.x through 3.8.x before…
CVE-2015-2854 — Medium (CVSS 4.3): The WebUI component in Blue Coat SSL Visibility Appliance SV800, SV1800, SV2800, and SV3800 3.6.x through 3.8.x before…
CVE-2015-2852 — Medium (CVSS 4.3): Cross-site request forgery (CSRF) vulnerability in the WebUI component in Blue Coat SSL Visibility Appliance SV800,…

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