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CVE-2017-9822

DotNetNuke (DNN) Remote Code Execution

8.8 HIGHActively exploited (CISA KEV)Used in ransomwarePublic exploitEPSS 94.8%
  1. Published20 Jul 2017
  2. Added to CISA KEV3 Nov 2021
  3. Remediation due3 May 2022
Actively exploited (CISA KEV)

DotNetNuke (DNN) contains a vulnerability that may allow for remote code execution via cookie deserialization.

Added to KEV: 3 Nov 2021Federal remediation due: 3 May 2022Used in ransomware

Description

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."

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Dnnsoftware Dotnetnuke< 9.1.1

Remediation

Fixed in
Dnnsoftware Dotnetnuke≥ 9.1.1

References

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Frequently asked

Is CVE-2017-9822 being actively exploited?

Yes. CVE-2017-9822 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Nov 2021. It has been used in ransomware campaigns.

How severe is CVE-2017-9822?

CVE-2017-9822 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 94.8% probability of exploitation.

Which products are affected by CVE-2017-9822?

Affected products include Dnnsoftware Dotnetnuke.

How do I fix CVE-2017-9822?

Upgrade affected software to a fixed version, for example Dnnsoftware Dotnetnuke 9.1.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2017-9822 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.