CVE-2020-36977

HIGHCVSS 8.5/10EPSS 0.18%

Last modified

CVE-2020-36977 is a high-severity vulnerability rated 8.5/10 on the CVSS scale. Wondershare Driver Install Service contains an unquoted service path vulnerability in the ElevationService executable that allows local attackers to potentially inject malicious code. Attackers can exploit the unquoted path to replace the service binary with a malicious executable, enabling privilege escalation to LocalSystem account.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

Wondershare Driver Install Service contains an unquoted service path vulnerability in the ElevationService executable that allows local attackers to potentially inject malicious code. Attackers can exploit the unquoted path to replace the service binary with a malicious executable, enabling privilege escalation to LocalSystem account.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0
8.5/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.18%

8.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2020-36977?
Wondershare Driver Install Service contains an unquoted service path vulnerability in the ElevationService executable that allows local attackers to potentially inject malicious code. Attackers can exploit the unquoted path to replace the service binary with a malicious executable, enabling privilege escalation to LocalSystem account.
How severe is CVE-2020-36977?
CVE-2020-36977 has a CVSS score of 8.5/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2020-36977?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-36977?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST