How severe is CVE-2019-9546?

CVE-2019-9546 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-2019-9546 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9546?

CVE-2019-9546 primarily affects Solarwinds Orion Platform. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-9546?

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-2019-9546 published?

CVE-2019-9546 was published on 2019-03-01 and last updated on 2026-06-17.

CVE-2019-9546

CVE-2019-9546 is a critical-severity vulnerability in Solarwinds Orion Platform 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-427.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Solarwinds Orion Platform
Published: 2019-03-01
Last modified: 2026-06-17

Description

SolarWinds Orion Platform before 2018.4 Hotfix 2 allows privilege escalation through the RabbitMQ service.

Frequently asked questions

What is CVE-2019-9546?: SolarWinds Orion Platform before 2018.4 Hotfix 2 allows privilege escalation through the RabbitMQ service.
How severe is CVE-2019-9546?: CVE-2019-9546 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-2019-9546 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9546?: CVE-2019-9546 primarily affects Solarwinds Orion Platform. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-9546?: 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-2019-9546 published?: CVE-2019-9546 was published on 2019-03-01 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:solarwinds:orion_platform:*:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:orion_platform:2018.4:-:*:*:*:*:*:*
cpe:2.3:a:solarwinds:orion_platform:2018.4:hotfix1:*:*:*:*:*:*

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