CVE-2020-37254
CVE-2020-37254 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. 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-428.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v4: 8.5
- EPSS exploit prediction: 0% (2nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2020-31255
- Weakness: CWE-428
- Published:
- Last modified:
Description
Wondershare PDFelement 5.2.9 contains a privilege escalation vulnerability due to an unquoted service path in the WsAppService Windows service. Local attackers can place a malicious executable in the service path and execute code with LocalSystem privileges upon service restart or system reboot.
Frequently asked questions
- What is CVE-2020-37254?
- Wondershare PDFelement 5.2.9 contains a privilege escalation vulnerability due to an unquoted service path in the WsAppService Windows service. Local attackers can place a malicious executable in the service path and execute code with LocalSystem privileges upon service restart or system reboot.
- How severe is CVE-2020-37254?
- CVE-2020-37254 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-37254 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2020-37254?
- 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-2020-37254 have an EU (EUVD) identifier?
- Yes. CVE-2020-37254 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31255.
- When was CVE-2020-37254 published?
- CVE-2020-37254 was published on 2026-06-19 and last updated on 2026-06-23.
References
- http://download.wondershare.com/inst/pdfelement_setup_full1042.exe
- https://www.exploit-db.com/exploits/40535
- https://www.vulncheck.com/advisories/wondershare-pdfelement-privilege-escalation-via-unquoted-service-path
- https://www.wondershare.com/
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