What’s Vulnerable › Vulnerabilities

CVE-2020-25844: CHANGING Inc. NHIServiSignAdapter Windows Versions - Stack Overflow

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-31 · updated 2026-06-17
• Weakness: CWE-121

Description

The digest generation function of NHIServiSignAdapter has not been verified for parameter’s length, which leads to a stack overflow loophole. Remote attackers can use the leak to execute code without privilege.

Affected products

• CHANGING Inc. NHIServiSignAdapter: 1.0.20.0218

References

• https://www.twcert.org.tw/tw/cp-132-4272-23ba4-1.html
• https://www.twcert.org.tw/tw/cp-132-4272-23ba4-1.html

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