CVE-2020-11543: OpsRamp Gateway before 7.0.0 has a backdoor account vadmin with the password 9vt@f3Vt that allows root SSH acc

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2020-11543 is a critical-severity flaw (CVSS 9.8) affecting gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-798
Published	2020-04-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: opsramp

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-04-08 00:15 UTCPublished CVE record published
2026-06-17 02:50 UTCUpdated Record last modified

opsramp gateway DOWNGRADE

Affected: 3.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.0

1. Check installed version

apt-cache policy gateway || rpm -q gateway || gateway --version

2. No fixed release: DOWNGRADE to a release before 3.0.0 (Debian / Ubuntu)

apt-cache madison gateway sudo apt install gateway=<VERSION_BEFORE_3.0.0> sudo apt-mark hold gateway

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list gateway sudo dnf downgrade gateway-<VERSION_BEFORE_3.0.0> sudo dnf versionlock add gateway

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-11543?

gateway: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-11543 being exploited?

CVE-2020-11543 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-11543 affect?

CVE-2020-11543 affects gateway. Severity is critical (CVSS 9.8). 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

How urgent is CVE-2020-11543?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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