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CVE-2015-2794

81
FAUCET Score

CVE-2015-2794 describes a critical vulnerability in DotNetNuke (DNN) versions prior to 7.4.1. This flaw allows remote, unauthenticated attackers to reinstall the application by directly accessing Install/InstallWizard.aspx, thereby gaining SuperUser privileges. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, exploit code is publicly available through ExploitDB and Nuclei templates, indicating a high potential for exploitation despite limited community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 07.04.00CPE matchmatch criteria
cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
74.55%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Nuclei: CVE-2015-2794 · Dec 26, 2023
ExploitDB: EDB-39777 · May 6, 2016
This CVE's current EPSS score of 0.7455 is in the 98th percentile among its peer group of 36,829 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

nugetpatch availablevia ghsa
Product: DotNetNuke.CoreFixed in: 7.4.1

Vendor Advisories (1)

nugetGHSA-x8f7-h444-97w4critical

The installation wizard in DotNetNuke (DNN) allows privilege escalation

Oct 16, 2018

References

dotnetnuke.codeplex.com / releases/view/615317
Release NotesVendor Advisory
exploit-db.com / exploits/39777
ExploitThird Party AdvisoryVDB Entry
dnnsoftware.com / community-blog/cid/155198/workaround-for-potential-security-issue
MitigationVendor Advisory
dnnsoftware.com / community/security/security-center
PatchVendor Advisory
securityfocus.com / bid/96373