CVE-2020-37135

Name: CVE-2020-37135
Creator: NVD / NIST
Published: 2026-02-07T00:15:54.76+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.3/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2020-37135 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. AMSS++ 4.7 contains an authentication bypass vulnerability that allows attackers to access administrative accounts using hardcoded credentials. Attackers can log in with the default admin username and password '1234' to gain unauthorized administrative access to the system.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

AMSS++ 4.7 contains an authentication bypass vulnerability that allows attackers to access administrative accounts using hardcoded credentials. Attackers can log in with the default admin username and password '1234' to gain unauthorized administrative access to the system.

Metrics

CVSS 3.1

7.5/10

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

CVSS 4.0

9.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.43%

34.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

References

Timeline

Published: Feb 7, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2020-37135?

How severe is CVE-2020-37135?

CVE-2020-37135 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2020-37135?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-37135?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST