CVE-2023-29492: Novi Survey Insecure Deserialization Vulnerability

Q: How do I fix CVE-2023-29492?

novi survey: upgrade to 8.9.43676. Exact commands for each OS are on this page.

Q: Is CVE-2023-29492 being exploited?

Yes. CVE-2023-29492 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

Q: What does CVE-2023-29492 affect?

CVE-2023-29492 affects novi survey. Severity is critical (CVSS 9.8). 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.

Q: How urgent is CVE-2023-29492?

Priority 89/100. Critical severity; Exploited in the wild (CISA KEV); CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Patch now

CRITICAL 9.8EXPLOITEDREMOTEUPGRADE

CVE-2023-29492 is a critical-severity flaw (CVSS 9.8) affecting novi survey, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Exploited in the wild (CISA KEV)
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	Yes, fix due 2023-05-04
Weakness	CWE-94
Published	2023-04-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: 3rdmill

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-04-11 05:15 UTCPublished CVE record published
2023-04-13Exploited Added to the CISA Known Exploited Vulnerabilities list
2023-05-04Deadline CISA due date for US federal agencies to patch
2026-06-17 05:50 UTCUpdated Record last modified

3rdmill novi survey UPGRADE

Affected: < 8.9.43676

Fixed in: 8.9.43676

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy novi-survey || rpm -q novi-survey || novi-survey --version

2. UPGRADE to 8.9.43676 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade novi-survey

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade novi-survey

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora ELN · python-wrapt · FIXED · 2.5.2-1.eln159 · FEDORA-2026-5503ee9370 · source

sudo dnf upgrade --advisory=FEDORA-2026-5503ee9370

Fedora 46 · python-wrapt · FIXED · 2.5.2-1.fc46 · FEDORA-2026-8a83579801 · source

sudo dnf upgrade --advisory=FEDORA-2026-8a83579801

Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-29492?

novi survey: upgrade to 8.9.43676. Exact commands for each OS are on this page.

Is CVE-2023-29492 being exploited?

Yes. CVE-2023-29492 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

What does CVE-2023-29492 affect?

CVE-2023-29492 affects novi survey. Severity is critical (CVSS 9.8). 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.

How urgent is CVE-2023-29492?

Priority 89/100. Critical severity; Exploited in the wild (CISA KEV); CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

References

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