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

published 2020-07-17 6y ago modified 2026-06-17 4mo ago also EUVD-2020-26377

cvss: 5.3; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

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.

Is CVE-2020-5130 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

SonicWall SonicOS

Classification

Weakness

CWE-20 Improper Input Validation

References

psirt.global.sonicwall.com /vuln-detail/SNWLID-2020-0003
vendor-advisory

Sources

CVE List CVE-2020-5130
NVD CVE-2020-5130

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.