CVE-2020-37031
CVE-2020-37031 is a high-severity vulnerability with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.4)
- CVSS v4: 8.6
- EPSS exploit prediction: 0% (6th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2020-30946
- Weakness: CWE-787
- Published:
- Last modified:
Description
Simple Startup Manager 1.17 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting memory through the 'File' input parameter. Attackers can craft a malicious payload with 268 bytes to trigger code execution, bypassing DEP and overwriting memory addresses to launch calc.exe.
Frequently asked questions
- What is CVE-2020-37031?
- Simple Startup Manager 1.17 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting memory through the 'File' input parameter. Attackers can craft a malicious payload with 268 bytes to trigger code execution, bypassing DEP and overwriting memory addresses to launch calc.exe.
- How severe is CVE-2020-37031?
- CVE-2020-37031 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-37031 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2020-37031?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2020-37031 have an EU (EUVD) identifier?
- Yes. CVE-2020-37031 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30946.
- When was CVE-2020-37031 published?
- CVE-2020-37031 was published on 2026-01-30 and last updated on 2026-06-17.
References
- https://www.ashkon.com/startup_manager.html
- https://www.exploit-db.com/exploits/48678
- https://www.vulncheck.com/advisories/simple-startup-manager-file-local-buffer-overflow
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