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Exploited vulnerability · CISA KEV

Is CVE-2017-9822 exploited? Yes: in CISA KEV since 3 Nov 2021

Gociux · DotNetNuke (DNN) · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2017-9822, DotNetNuke (DNN) Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, 1567 days after it was published. It is known to be used in ransomware campaigns. It affects DotNetNuke (DNN). If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 3 Nov 2021
ransomwareKnownused in campaigns
EPSStop 1%among the most likely CVEs to be exploited
severity8.8CVSS 3.1 · high
US federal due3 May 2022BOD 22-01 deadline

What it is

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

VendorDotNetNuke (DNN) (3 exploited CVEs in KEV)
ProductDotNetNuke (DNN)
VulnerabilityDotNetNuke (DNN) Remote Code Execution Vulnerability
WeaknessCWE-20
Published20 Jul 2017
Added to KEV3 Nov 2021
Reported by (CNA)hpe

What to do

  1. Check whether you run it. Look for DotNetNuke (DNN) in your asset inventory, including appliances and cloud images. Stack check lists every exploited DotNetNuke (DNN) CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 20 Jul 2017.
  4. Get told next time. Email alerts when CISA adds a CVE for DotNetNuke (DNN).

Other exploited CVEs in DotNetNuke (DNN)

References

Questions

Is CVE-2017-9822 being exploited?

Yes. CISA added CVE-2017-9822 to the Known Exploited Vulnerabilities catalog on 3 Nov 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2017-9822 used in ransomware attacks?

Yes, CISA lists it as known to be used in ransomware campaigns.

How do I fix CVE-2017-9822?

Apply updates per vendor instructions. Check DotNetNuke (DNN)'s advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected DotNetNuke (DNN) and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in November 2021 · DotNetNuke (DNN) scorecard · act-now radar.

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