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CVE-2011-1569

28
FAUCET Score

CVE-2011-1569 describes a source code disclosure vulnerability in Douran Portal 3.9.7.8, specifically within the download.aspx component. Attackers can exploit this by manipulating the FileNameAttach parameter with a trailing period, space, or mixed case to download arbitrary files under the web root. Rated with a CVSS score of 5.0, this vulnerability has a low attack complexity and requires no authentication, potentially leading to information disclosure. While not listed on the KEV catalog, exploit code is publicly available via ExploitDB, though there is minimal community discussion or media coverage surrounding this decade-old flaw.

Impacted Technologies

VendorProductVersion(s)CPE
3.9.7.8CPE matchmatch criteria
cpe:2.3:a:douran:portal:3.9.7.8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.52%
Probability of exploitation in next 30 days
EPSS Percentile
88.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-17011 · Mar 20, 2011
This CVE's current EPSS score of 0.0352 is in the 84th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

osvdb.org / 71250
secunia.com / advisories/43792
Vendor Advisory
securityreason.com / securityalert/8180
exchange.xforce.ibmcloud.com / vulnerabilities/66177
soroush.secproject.com / blog/2011/01/unrestricted_file_download_v1_0
exploit-db.com / exploits/17011
Exploit
securityfocus.com / archive/1/517085/100/0/threaded
securityfocus.com / bid/46927
Exploit