6.5

CVE-2020-20412: stepmania Improper Validation of Array Index

CVSS: 6.5v3.1MediumModified
Published 26-12-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-20412 is a medium (CVSS 6.5) Improper Validation of Array Index vulnerability in stepmania. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 63.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.04%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 26-12-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.04%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

+0.01 pp

From 1.03% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.04%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Stepmania

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Stepmania1 product
Xiph.org1 product

2 vendors · 2 products

References

1 links