Vulnerability · Published Dec 31, 2020 · Assigned by twcert

CVE-2020-25842CHANGING Inc. NHIServiSignAdapter Windows Versions - Arbitrary File Access

High 7.5

In plain English

A high-severity security flaw in NHIServiSignAdapter from CHANGING Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 56.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

The encryption function of NHIServiSignAdapter fail to verify the file path input by users. Remote attacker can access arbitrary files through the flaw without privilege.

Affected products (as reported)

VendorProductVersions
CHANGING Inc. NHIServiSignAdapter 1.0.20.0218

References