CVE-2011-3502

Exp

The web server in Cogent DataHub 7.1.1.63 and earlier allows remote attackers to obtain the source code of executable files via a request with a trailing (1) space or (2) %2e (encoded dot).

Published: 2011-09-16 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-3502 is rated High Exploit Risk (65.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.23%). 2 public exploit reference(s) are indexed (Exploit-DB). 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-2011-3502

EDB-ID Source Kind Published Link
17840 exploit_db edb 2011-09-14 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-3502

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 2026-05-26 4.53% 4.23% -0.30%
2 2026-01-03 4.60% 4.53% -0.06%
3 2025-10-21 — 4.60% —

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-3502

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-2011-3502

Affected software / configurations for CVE-2011-3502

Vendor Product Version Raw CPE
cogentdatahub cogent_datahub 7.0 cpe:2.3:a:cogentdatahub:cogent_datahub:7.0:*:*:*:*:*:*:*
cogentdatahub cogent_datahub 7.0.2 cpe:2.3:a:cogentdatahub:cogent_datahub:7.0.2:*:*:*:*:*:*:*
cogentdatahub cogent_datahub 7.1.0 cpe:2.3:a:cogentdatahub:cogent_datahub:7.1.0:*:*:*:*:*:*:*
cogentdatahub cogent_datahub 7.1.1 cpe:2.3:a:cogentdatahub:cogent_datahub:7.1.1:*:*:*:*:*:*:*
cogentdatahub cogent_datahub 7.1.1.63 cpe:2.3:a:cogentdatahub:cogent_datahub:7.1.1.63:*:*:*:*:*:*:*

References for CVE-2011-3502

cvelogic Threat Intelligence