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Vulnerabilities

Vulnerability · CVE-2020-5130

SonicOS SSLVPN LDAP login request allows remote attackers to cause external service interaction (DNS) due to improper validation of the request.

Published Jul 17, 2020 · catalog updated Jun 17, 2026 · SonicOS SSLVPN LDAP login

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2020-5130. EPSS is 1.25%. Act only if a listed version of SonicOS SSLVPN LDAP login is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (SonicOS SSLVPN LDAP login).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.25%
Remediation
Version ranges on file
Affected products
cpe sonicwall/sonicos

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe sonicwall/sonicos<= 6.5.4.4-44n

How to fix CVE-2020-5130

  • Upgrade

    CVE-2020-5130 lists a fix boundary at 6.5.4.4-44n. Compare the installed build with that boundary before you change production.

  • Version check

    Affected <= 6.5.4.4-44n

  • Advisory

    Open the inventory_critical record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2020-5130. EPSS is 1.25%. Act only if a listed version of SonicOS SSLVPN LDAP login is installed.

Which versions are affected?

Compare what you have installed with <= 6.5.4.4-44n. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-20: Improper Input Validation. EPSS 1.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

SonicWall SonicOS security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 17, 2020 · Monitored products — critical

    Detected

    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.

  2. Jun 17, 2026 · Monitored products — critical

    Updated

    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.

Sources

  • Monitored products — criticalVendor advisoryCVE-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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Monitored products — criticalNov 2, 2026