What’s Vulnerable › Vulnerabilities

CVE-2020-3926: ServiSign Windows Versions- Arbitrary File Access

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% 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-201910006
• https://www.chtsecurity.com/news/1179d48b-7609-4f67-9d7e-3bac2979c6ce
• https://tvn.twcert.org.tw/taiwanvn/TVN-201910006
• https://www.chtsecurity.com/news/1179d48b-7609-4f67-9d7e-3bac2979c6ce

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