CVE-2020-3927: ServiSign Windows Versions- Arbitrary File Deletion

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-02-03 · updated 2026-06-17
Weakness: CWE-552

Description

An arbitrary-file-access vulnerability exists in ServiSign security plugin, as long as the attackers learn the specific API function, they may access arbitrary files on target system via crafted API parameter.

Affected products

CHANGING ServiSign Windows versions: through 1.0.19.0617

References

https://tvn.twcert.org.tw/taiwanvn/TVN-201910007
https://www.chtsecurity.com/news/1179d48b-7609-4f67-9d7e-3bac2979c6ce
https://tvn.twcert.org.tw/taiwanvn/TVN-201910007
https://www.chtsecurity.com/news/1179d48b-7609-4f67-9d7e-3bac2979c6ce

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