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GHSA-HP78-WV22-MHMG
Vulnerability from github – Published: 2026-09-02 21:32 – Updated: 2026-09-02 21:32
VLAI
Details
A heap overflow in SMM module may allow an attacker with access to a second vulnerability that enables writing to SPI flash, potentially resulting in arbitrary code execution.
Severity
7.4 (High)
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"id": "GHSA-hp78-wv22-mhmg",
"modified": "2026-09-02T21:32:08Z",
"published": "2026-09-02T21:32:08Z",
"references": [
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20577"
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"type": "CVSS_V3"
}
]
}
CVE-2023-20577 (GCVE-0-2023-20577)
Vulnerability from cvelistv5 – Published: 2026-09-02 19:57 – Updated: 2026-09-04 19:56
VLAI
EPSS
VEX
Summary
A heap overflow in SMM module may allow an attacker with access to a second vulnerability that enables writing to SPI flash, potentially resulting in arbitrary code execution.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 03:56 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
1 reference
Impacted products
35 products
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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