Is CVE-2017-9822 in the CISA KEV catalog?

Yes. CVE-2017-9822 is on the CISA Known Exploited Vulnerabilities list, added 2021-11-03, and has known ransomware campaign use.

What is the CVSS severity of CVE-2017-9822?

CVE-2017-9822 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2017-9822?

CVE-2017-9822 has an EPSS score of 94.79% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-9822?

Upgrade dotnetnuke to 9.1.1 or later.

CVE & CISA-KEV Catalog

CVE-2017-9822

HIGHCISA KEVEPSS 100th pctl

8.8

CVSS v3

NVD

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."

CWE-94Code Injection

How to fix

Remediation Available

dotnetnukeNVD

Affected:< 9.1.1Fixed in:9.1.1CVE-2017-9822derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

94.79%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

DotNetNuke (DNN) Remote Code Execution Vulnerability

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

Apply updates per vendor instructions.

Remediation due: 2022-05-03

Associated with ransomware campaigns

References

Exploit1

packetstormsecurity.com

Vendor Advisory1

dnnsoftware.com

Third-Party Advisory1

securityfocus.com

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-3248	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.