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Exploited vulnerability · CISA KEV

Is CVE-2023-29492 exploited? Yes: in CISA KEV since 13 Apr 2023

Gociux · Novi Survey · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2023-29492, Novi Survey Insecure Deserialization Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 13 Apr 2023, 2 days after it was published. It affects Novi Survey. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 13 Apr 2023
ransomwareNot knownno confirmed use
EPSSbelow top 10%lower predicted activity right now (it is still confirmed exploited)
severity9.8CVSS 3.1 · critical
US federal due4 May 2023BOD 22-01 deadline

What it is

Novi Survey contains an insecure deserialization vulnerability that allows remote attackers to execute code on the server in the context of the service account.

VendorNovi Survey (1 exploited CVE in KEV)
ProductNovi Survey
VulnerabilityNovi Survey Insecure Deserialization Vulnerability
WeaknessCWE-94
Published11 Apr 2023
Added to KEV13 Apr 2023
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for Novi Survey in your asset inventory, including appliances and cloud images. Stack check lists every exploited Novi Survey 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 11 Apr 2023.
  4. Get told next time. Email alerts when CISA adds a CVE for Novi Survey.

References

Questions

Is CVE-2023-29492 being exploited?

Yes. CISA added CVE-2023-29492 to the Known Exploited Vulnerabilities catalog on 13 Apr 2023, which means there is reliable evidence of exploitation in the wild.

Is CVE-2023-29492 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2023-29492?

Apply updates per vendor instructions. Check Novi Survey's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Novi Survey 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 April 2023 · act-now radar.

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