CVE-2011-5052Stream Down Memory Corruption
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 Jan 4, 2012 · Updated Apr 28, 2026
Key Facts
Routine patching- CVE-2011-5052 is a medium-severity vulnerability (CVSS 6.8 v2) affecting Stream Down (Cocsoft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 30% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Scores
CVSS v2
6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
30%
Higher than 98.1% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
49/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
3
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- advisory47343
Description
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.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Stream DownCocsoft | 6.8 | n/a |
Timeline
Publicly disclosed
Jan 4, 2012
Last updated
Apr 28, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisory47343
- exploitMSF stream_down_bof.rb
- exploitExploitDB-18283
- exploit18283
- other78043
FAQ
Common Questions.
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.
Affected: Stream Down (Cocsoft) versions 6.8. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Is CVE-2011-5052 On Your Attack Surface?
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