How severe is CVE-2020-37129?

CVE-2020-37129 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-37129 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2020-37129?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2020-37129 have an EU (EUVD) identifier?

Yes. CVE-2020-37129 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31025.

When was CVE-2020-37129 published?

CVE-2020-37129 was published on 2026-02-05 and last updated on 2026-06-17.

CVE-2020-37129

CVE-2020-37129 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-276.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-31025
Weakness: CWE-276
Published: 2026-02-05
Last modified: 2026-06-17

Description

Memu Play 7.1.3 contains an insecure folder permissions vulnerability that allows low-privileged users to modify the MemuService.exe executable. Attackers can replace the service executable with a malicious file during system restart to gain SYSTEM-level privileges by exploiting unrestricted file modification permissions.

Frequently asked questions

What is CVE-2020-37129?: Memu Play 7.1.3 contains an insecure folder permissions vulnerability that allows low-privileged users to modify the MemuService.exe executable. Attackers can replace the service executable with a malicious file during system restart to gain SYSTEM-level privileges by exploiting unrestricted file modification permissions.
How severe is CVE-2020-37129?: CVE-2020-37129 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-37129 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-37129?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2020-37129 have an EU (EUVD) identifier?: Yes. CVE-2020-37129 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31025.
When was CVE-2020-37129 published?: CVE-2020-37129 was published on 2026-02-05 and last updated on 2026-06-17.

References

Other CWE-276 (Incorrect Default Permissions) vulnerabilities

CVE-2022-42150 — Critical (CVSS 10.0): TinyLab linux-lab v1.1-rc1 and cloud-labv0.8-rc2, v1.1-rc1 are vulnerable to insecure permissions. The default…
CVE-2020-29492 — Critical (CVSS 10.0): Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability. A remote…
CVE-2020-29491 — Critical (CVSS 10.0): Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability. A remote…
CVE-2025-40585 — Critical (CVSS 9.9): A vulnerability has been identified in Energy Services (All versions with G5DFR). Affected solutions using G5DFR…
CVE-2019-19896 — Critical (CVSS 9.9): In IXP EasyInstall 6.2.13723, there is Remote Code Execution via weak permissions on the Engine Service share. The…
CVE-2025-60262 — Critical (CVSS 9.8): An issue in H3C M102G HM1A0V200R010 wireless controller and BA1500L SWBA1A0V100R006 wireless access point, there is a…

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