Known exploited vulnerability
CVE-2018-15811
The short answer
CVE-2018-15811 affects n/a n/a and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03: attackers are using it, so patch it first. Fixed versions are published for DotNetNuke.Core (9.2.2).
What it is
DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.
Weakness: CWE-326.
Severity
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploited (CISA KEV)
Yes, since Nov 3, 2021
Federal due date May 3, 2022
EPSS, next 30 days
76%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
What CISA says to do
Apply updates per vendor instructions.
Affected packages and fixed versions
| Package | Ecosystem | Fixed in | Advisory |
|---|---|---|---|
| DotNetNuke.Core | NuGet | 9.2.2 | GHSA-h595-8pw6-5q6v |
Is it in your code? Drop your lockfile into the free vulnerability check, or let vulnerability watch check your repository every day and open the upgrade as a pull request.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- github.com/dnnsoftware/Dnn.Platform/releases Release Notes
- www.dnnsoftware.com/community/security/security-center Vendor Advisory
- github.com/dnnsoftware/Dnn.Platform/releases Release Notes
- www.dnnsoftware.com/community/security/security-center Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-15811 US Government Resource
Questions
Is CVE-2018-15811 being exploited?
Yes. CISA added CVE-2018-15811 to its Known Exploited Vulnerabilities catalog on 2021-11-03, with a federal remediation due date of 2022-05-03.
How do I fix CVE-2018-15811?
Upgrade to a fixed version: DotNetNuke.Core (NuGet) 9.2.2. CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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