What is CVE-2020-20412?

CVE-2020-20412 is a medium-severity vulnerability in Stepmania, classified under Improper Validation of Array Index. CVSS score: 6.5/10. Published 2020-12-26.

How severe is CVE-2020-20412?

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

Is CVE-2020-20412 known to be exploited?

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

Vulnerability in Stepmania

CVE-2020-20412

lib/codebook.c in libvorbis before 1.3.6, as used in StepMania 5.0.12 and other products, has insufficient array bounds checking via a crafted OGG file. NOTE: this may overlap CVE-2018-5146.

EPSS: 0.010 (60.1th percentile) — read the EPSS interpretation.

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.

Affected products

Stepmania — versions 5.0.12
Xiph.org Libvorbis
N/a — versions n/a

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-20412

References

cve@mitre.org (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-20412?: CVE-2020-20412 is a medium-severity vulnerability in Stepmania, classified under Improper Validation of Array Index. CVSS score: 6.5/10. Published 2020-12-26.
How severe is CVE-2020-20412?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-20412 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.