How severe is CVE-2020-5146?

CVE-2020-5146 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-5146 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5146?

CVE-2020-5146 affects Sonicwall Sma 100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5146?

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

When was CVE-2020-5146 published?

CVE-2020-5146 was published on 2021-01-09 and last updated on 2026-06-17.

CVE-2020-5146

CVE-2020-5146 is a high-severity vulnerability in Sonicwall Sma 100 Firmware with a CVSS 3.x base score of 7.2. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 9.0
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Sonicwall Sma 100 Firmware
Published: 2021-01-09
Last modified: 2026-06-17

Description

A vulnerability in SonicWall SMA100 appliance allow an authenticated management-user to perform OS command injection using HTTP POST parameters. This vulnerability affected SMA100 Appliance version 10.2.0.2-20sv and earlier.

Frequently asked questions

What is CVE-2020-5146?: A vulnerability in SonicWall SMA100 appliance allow an authenticated management-user to perform OS command injection using HTTP POST parameters. This vulnerability affected SMA100 Appliance version 10.2.0.2-20sv and earlier.
How severe is CVE-2020-5146?: CVE-2020-5146 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-5146 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5146?: CVE-2020-5146 affects Sonicwall Sma 100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5146?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-5146 published?: CVE-2020-5146 was published on 2021-01-09 and last updated on 2026-06-17.

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0022

Affected products (1)

cpe:2.3:o:sonicwall:sma_100_firmware:*:*:*:*:*:*:*:*

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