What is CVE-2020-11543?

CVE-2020-11543 is a critical-severity vulnerability in Opsramp Gateway, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2020-04-08.

How severe is CVE-2020-11543?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-11543 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Opsramp Gateway

CVE-2020-11543

OpsRamp Gateway before 7.0.0 has a backdoor account vadmin with the password 9vt@f3Vt that allows root SSH access to the server. This issue has been resolved in OpsRamp Gateway firmware version 7.0.0 where an administrator and a system user accounts are the only available user accounts for the gateway appliance.

Published 2020-04-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.026 (84.8th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

Opsramp Gateway — versions 3.0.0

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

Public proof-of-concept exploits

References

www.criticalstart.com/hard-coded-administrator-password-discovered-in-opsramp/ (Exploit, Third Party Advisory)
docs.opsramp.com/about/release-notes/summer-2020-update/

Frequently asked questions

What is CVE-2020-11543?: CVE-2020-11543 is a critical-severity vulnerability in Opsramp Gateway, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2020-04-08.
How severe is CVE-2020-11543?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-11543 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.