kbrain

CVE-2011-5124

HIGH · CVSS 10.0EPSS 54.6%EU EUVD

Stack-based buffer overflow in the BCAAA component before build 60258, as used by Blue Coat ProxySG 4.2.3 through 6.1 and ProxyOne, allows remote attackers to execute arbitrary code via a large packet to the synchronization port (16102/tcp).

Key facts

CVSS score
10.0 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-119
EPSS score
54.6% (99th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-5024)
Published
August 26, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-5024 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

  • bluecoat / proxyone
  • bluecoat / proxysg
  • bluecoat / proxysg
  • bluecoat / proxysg
  • bluecoat / proxysg
  • bluecoat / proxysg
  • bluecoat / proxysg
  • bluecoat / proxysg
  • bluecoat / proxysg
  • bluecoat / proxysg
  • bluecoat / proxysg
  • bluecoat / proxysg
  • bluecoat / proxysg

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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