How severe is CVE-2020-5130?

CVE-2020-5130 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2020-5130 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5130?

CVE-2020-5130 affects Sonicwall Sonicos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5130?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-5130 published?

CVE-2020-5130 was published on 2020-07-17 and last updated on 2026-06-17.

CVE-2020-5130

CVE-2020-5130 is a medium-severity vulnerability in Sonicwall Sonicos with a CVSS 3.x base score of 5.3. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Sonicwall Sonicos
Published: 2020-07-17
Last modified: 2026-06-17

Description

SonicOS SSLVPN LDAP login request allows remote attackers to cause external service interaction (DNS) due to improper validation of the request. This vulnerability impact SonicOS version 6.5.4.4-44n and earlier.

Frequently asked questions

What is CVE-2020-5130?: SonicOS SSLVPN LDAP login request allows remote attackers to cause external service interaction (DNS) due to improper validation of the request. This vulnerability impact SonicOS version 6.5.4.4-44n and earlier.
How severe is CVE-2020-5130?: CVE-2020-5130 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2020-5130 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5130?: CVE-2020-5130 affects Sonicwall Sonicos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5130?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5130 published?: CVE-2020-5130 was published on 2020-07-17 and last updated on 2026-06-17.

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0003

Affected products (1)

cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*

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