What is CVE-2023-33668?

CVE-2023-33668 is a critical-severity vulnerability in Digiexam, classified under Improper Validation of Integrity Check Value. CVSS score: 9.8/10. Published 2023-07-12.

How severe is CVE-2023-33668?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-33668 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Digiexam

CVE-2023-33668

DigiExam up to v14.0.2 lacks integrity checks for native modules, allowing attackers to access PII and takeover accounts on shared computers.

Published 2023-07-12 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Digiexam

Weakness classification (CWE)

CWE-354 — Improper Validation of Integrity Check Value

Public proof-of-concept exploits

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
github.com/lodi-g/CVE-2023-33668 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-33668?: CVE-2023-33668 is a critical-severity vulnerability in Digiexam, classified under Improper Validation of Integrity Check Value. CVSS score: 9.8/10. Published 2023-07-12.
How severe is CVE-2023-33668?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-33668 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.