CVE-2011-5052

Exp

Stack-based buffer overflow in CoCSoft Stream Down 6.8.0 allows remote web servers to execute arbitrary code via a long response to a download request.

Published: 2012-01-04 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-5052 is rated High Exploit Risk (71.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 30.07%, 98th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2011-5052

EDB-ID Source Kind Published Link
18283 exploit_db edb 2011-12-27 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-5052

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 51.90% 30.07% -21.83%
2 2026-02-13 52.63% 51.90% -0.73%
3 2025-06-03 52.63%

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-5052

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2011-5052

Affected software / configurations for CVE-2011-5052

Vendor Product Version Raw CPE
cocsoft stream_down 6.8 cpe:2.3:a:cocsoft:stream_down:6.8:*:*:*:*:*:*:*

References for CVE-2011-5052

cvelogic Threat Intelligence