CVE-2020-25846
CHANGING Inc. NHIServiSignAdapter Windows Versions - Information Leakage -2
The digest generation function of NHIServiSignAdapter has not been verified for source file path, which leads to the SMB request being redirected to a malicious host, resulting in the leakage of user's credential.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
CHANGING Inc. NHIServiSignAdapter Windows Versions - Information Leakage -2
The digest generation function of NHIServiSignAdapter has not been verified for source file path, which leads to the SMB request being redirected to a malicious host, resulting in the leakage of user's credential.
- Record
CVE-2020-25846- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
EUVDEUVD-2020-18479
The digest generation function of NHIServiSignAdapter has not been verified for source file path, which leads to the SMB request being redirected to a malicious host, resulting in the leakage of user's credential.
- Record
EUVD-2020-18479- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6553-8h6r-vxxh No score
The digest generation function of NHIServiSignAdapter has not been verified for source file path,...
The digest generation function of NHIServiSignAdapter has not been verified for source file path, which leads to the SMB request being redirected to a malicious host, resulting in the leakage of user's credential.
- Record
GHSA-6553-8h6r-vxxh- Weakness
- CWE-601
- Updated
- 2026-11-02
NVD
The digest generation function of NHIServiSignAdapter has not been verified for source file path, which leads to the SMB request being redirected to a malicious host, resulting in the leakage of user's credential.
- Record
CVE-2020-25846- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-25846 is a high vulnerability (CVSS 7.5) in Changing Inc. Nhiservisignadapter, published December 31, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 62nd percentile. No source names a fixed version.