What is CVE-2021-46171?

CVE-2021-46171 is a medium-severity vulnerability in Modex Project, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2022-01-14.

How severe is CVE-2021-46171?

Medium severity. CVSS v3 base score is 5.5 out of 10.

NULL pointer dereference in Modex Project

CVE-2021-46171

Modex v2.11 was discovered to contain a NULL pointer dereference in set_create_id() at xtract.c.

Published 2022-01-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (49.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Modex Project — versions 2.11

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/nimble-code/Modex/issues/8 (Exploit, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-46171?: CVE-2021-46171 is a medium-severity vulnerability in Modex Project, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2022-01-14.
How severe is CVE-2021-46171?: Medium severity. CVSS v3 base score is 5.5 out of 10.