Known exploited vulnerability
CVE-2017-9822
The short answer
CVE-2017-9822 affects DotNetNuke DotNetNuke CMS Fixed in 9.1.1 and is rated high (CVSS 8.8). 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 (9.1.1).
What it is
DNN (aka DotNetNuke) before 9.1.1 has Remote Code Execution via a cookie, aka "2017-08 (Critical) Possible remote code execution on DNN sites."
Weakness: CWE-94.
Severity
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Nov 3, 2021
Federal due date May 3, 2022
EPSS, next 30 days
95%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected packages and fixed versions
| Package | Ecosystem | Fixed in | Advisory |
|---|---|---|---|
| DotNetNuke.Core | NuGet | 9.1.1 | GHSA-x2rg-fmcv-crq5 |
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
DotNetNuke CMS Fixed in 9.1.1. NVD's record lists the exact affected versions.
References
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9822 US Government Resource
Questions
Is CVE-2017-9822 being exploited?
Yes. CISA added CVE-2017-9822 to its Known Exploited Vulnerabilities catalog on 2021-11-03, with a federal remediation due date of 2022-05-03. CISA lists it as used in ransomware campaigns.
How do I fix CVE-2017-9822?
Upgrade to a fixed version: DotNetNuke.Core (NuGet) 9.1.1. 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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