How severe is CVE-2020-11543?

CVE-2020-11543 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-11543 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11543?

CVE-2020-11543 affects Opsramp Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11543?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-11543 published?

CVE-2020-11543 was published on 2020-04-08 and last updated on 2026-06-17.

CVE-2020-11543

CVE-2020-11543 is a critical-severity vulnerability in Opsramp Gateway with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Opsramp Gateway
Published: 2020-04-08
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-11543?: CVE-2020-11543 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-11543 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11543?: CVE-2020-11543 affects Opsramp Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11543?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-11543 published?: CVE-2020-11543 was published on 2020-04-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opsramp:gateway:3.0.0:*:*:*:*:*:*:*

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