CVE-2020-25844 | BDVDB-2026-146739 Detail

CHANGINGNHIServiSignAdapter

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-121 Stack-based Buffer Overflow

References#

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

Exploit#

No public exploit known

History#

Version 12020-12-31Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2020-12-31
Last modified: 2024-09-16

Vendor information

Vendor: CHANGING
Product: NHIServiSignAdapter

All CHANGING vulnerabilities

Score

8.1 High

EPSS

1.9%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 80.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
1.0.20.0218
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.1 High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).