CVE-2023-29492 Novi Survey Insecure Deserialization Vulnerability
Novi Survey contains an insecure deserialization vulnerability that allows remote attackers to execute code on the server in the context of the service account.
From the CISA KEV catalogue version 2026.11.06, with Cybergen analysis. Updated 6 Nov 2026.
Should You Worry?
- CISA confirmed exploitation in the wild and added it to the Known Exploited Vulnerabilities catalogue on 13 Apr 2023.
- Rated Critical severity (CVSS 9.8, scored by CISA).
- It has been in the catalogue for 1,303 days. Systems still unpatched now have almost certainly been scanned for it.
What It Is
Novi Survey before 8.9.43676 allows remote attackers to execute arbitrary code on the server in the context of the service account. This does not provide access to stored survey or response data.
What To Do Now
- 1
Find it
Search your asset inventory and external attack surface for Novi Survey. Include cloud images, appliances and anything a supplier runs for you.
Attack Surface Management - 2
- 3
Hunt for compromise
If an affected system was reachable before you patched, assume it may have been hit. Check logs, new accounts, web shells and outbound connections from the date of exposure.
Incident Response - 4
Prove it is fixed
Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.
Penetration Testing
The Compliance Clock
General guidance, not legal advice. Your obligations depend on your sector, scope and jurisdiction.
More Exploited Novi Survey Flaws
Not Sure If You Are Exposed?
Our attack surface and vulnerability teams can check your internet-facing estate for CVE-2023-29492 and every other exploited flaw on the list.