Vulnerability in Amssplus Amss++
CVE-2020-37135
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (36.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000
Affected products
- Amssplus Amss++ — versions 4.7
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/48114 (exploit)
- www.vulncheck.com/advisories/amss-backdoor-admin-account (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37135?
- CVE-2020-37135 is a high-severity vulnerability in Amssplus Amss++, classified under Use of Hard-coded Credentials. CVSS score: 7.5/10. Published 2026-02-07.
- How severe is CVE-2020-37135?
- High severity. CVSS v3 base score is 7.5 out of 10.