CVE-2011-1569

Exp

download.aspx in Douran Portal 3.9.7.8 allows remote attackers to obtain source code of arbitrary files under the web root via (1) a trailing ".", (2) a trailing space, or (3) mixed case in the FileNameAttach parameter.

Published: 2011-04-05 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-1569 is rated High Exploit Risk (60.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.52%). 3 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-2011-1569

EDB-ID Source Kind Published Link
17011 exploit_db edb 2011-03-20 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-1569

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 10.20% 3.52% -6.67%
2 2025-12-13 10.86% 10.20% -0.66%
3 2025-07-27 — 10.86% —

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1569

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-2011-1569

Affected software / configurations for CVE-2011-1569

Vendor Product Version Raw CPE
douran portal 3.9.7.8 cpe:2.3:a:douran:portal:3.9.7.8:*:*:*:*:*:*:*

References for CVE-2011-1569

cvelogic Threat Intelligence