CVE-2011-5126

Blue Coat ProxySG 6.1 before SGOS 6.1.5.1 and 6.2 before SGOS 6.2.2.1 writes the secure heap to core images, which allows context-dependent attackers to obtain sensitive authentication information by leveraging read access to a downloaded core file.

Published: 2012-08-26 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-5126 is rated Moderate Risk (41.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.06%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-5126

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.24% 1.06% +0.82%
2 2025-03-30 0.29% 0.24% -0.05%
3 2025-03-29 — 0.29% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-5126

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2011-5126

Affected software / configurations for CVE-2011-5126

Vendor Product Version Raw CPE
bluecoat sgos 6.1 cpe:2.3:o:bluecoat:sgos:6.1:*:*:*:*:*:*:*
bluecoat sgos 6.1.1.1 cpe:2.3:o:bluecoat:sgos:6.1.1.1:*:*:*:*:*:*:*
bluecoat sgos 6.1.2 cpe:2.3:o:bluecoat:sgos:6.1.2:*:*:*:*:*:*:*
bluecoat sgos 6.1.2.1 cpe:2.3:o:bluecoat:sgos:6.1.2.1:*:*:*:*:*:*:*
bluecoat sgos 6.2.2 cpe:2.3:o:bluecoat:sgos:6.2.2:*:*:*:*:*:*:*

References for CVE-2011-5126

cvelogic Threat Intelligence