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Luu, T.J.

CVE-2021-42054: ACCEL-PPP 1.12.0 has an out-of-bounds read in triton_context_schedule if the client exits after authentication.

highvulnerability

security

Source: NVD/CVE DatabaseOctober 7, 2021CVE-2021-42054

Summary

ACCEL-PPP version 1.12.0 contains an out-of-bounds read vulnerability (CWE-125, a bug where software tries to access memory beyond its allowed range) in a function called triton_context_schedule that triggers when a client disconnects after successfully authenticating. This flaw has a CVSS severity score of 4.0, indicating moderate severity.

Vulnerability Details

CVSS Score

7.5(high)

EPSS (30-day exploit probability)

EPSS: 0.3%

Classification

Attack SophisticationModerate

Taxonomy References

CWE (Weakness Type)

CWE-125

CAPEC (Attack Pattern)

CAPEC-540

Original source: https://nvd.nist.gov/vuln/detail/CVE-2021-42054

First tracked: February 15, 2026 at 08:45 PM

Classified by LLM (prompt v3) · confidence: 95%