CVE-2017-9822

HIGH

8.8

CVSS Score

Published: July 20, 2017 at 12:00 PM UTC

Updated: June 17, 2026 at 01:28 AM UTC

2 products affected across 2 vendorsDotnetnukeDotNetNuke

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Severity

HIGH8.8

Exploitation

CISA KEV

Exploit prediction

EPSS 95%

SSVC

Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score94.8%

EPSS (Exploit Prediction Scoring System) estimates a 94.8% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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

Required Action

Apply updates per vendor instructions.

Ransomware Use

Known

Added to KEV

Nov 3, 2021

Remediation Due

May 3, 2022

1638 days overdue

Notes

https://nvd.nist.gov/vuln/detail/CVE-2017-9822

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."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Dotnetnuke · Dnnsoftware

95%

v < 9.1.1

Affected range stops below 9.1.1, so it looks safe — our inference, not a vendor statement

DotNetNuke · Dotnetnuke

60%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

http://www.dnnsoftware.com/community/security/security-center

References (4)

x_refsource_MISCExploitThird Party AdvisoryVDB Entry

Source: [email protected]

http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html

x_refsource_CONFIRMProductVendor Advisory

Source: [email protected]

http://www.dnnsoftware.com/community/security/security-center

VDB Entryx_refsource_BIDBroken LinkThird Party Advisory

Source: [email protected]

http://www.securityfocus.com/bid/102213

US Government Resource

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9822

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-94

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