What is CVE-2020-29243?

CVE-2020-29243 is a medium-severity vulnerability in Tag Project, classified under Improper Validation of Array Index. CVSS score: 6.5/10. Published 2020-12-28.

How severe is CVE-2020-29243?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Tag Project

CVE-2020-29243

dhowden tag before 2020-11-19 allows "panic: runtime error: index out of range" via readAPICFrame.

Published 2020-12-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.0th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000

Affected products

Tag Project

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

github.com/dhowden/tag/issues/80 (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-29243?: CVE-2020-29243 is a medium-severity vulnerability in Tag Project, classified under Improper Validation of Array Index. CVSS score: 6.5/10. Published 2020-12-28.
How severe is CVE-2020-29243?: Medium severity. CVSS v3 base score is 6.5 out of 10.