Is CVE-2020-5132 being actively exploited?

CVE-2020-5132 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2020-5132?

CVE-2020-5132 has a CVSS 3.1 base score of 5.3 (MEDIUM).

CVE-2020-5132

MEDIUM · CVSS 5.3EPSS 1.0%EU EUVD

SonicWall SSL-VPN products and SonicWall firewall SSL-VPN feature misconfiguration leads to possible DNS flaw known as domain name collision vulnerability. When the users publicly display their organization’s internal domain names in the SSL-VPN authentication page, an attacker with knowledge of internal domain names can potentially take advantage of this vulnerability.

Key facts

CVSS score: 5.3 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-200
EPSS score: 1.0% (62th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2020-26379)
Published: September 30, 2020
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2020-26379 in the EU Vulnerability Database. Last updated in EUVD on August 4, 2024.

View on the EU Vulnerability Database

Affected products

sonicwall / sma100
sonicwall / sma100 firmware
sonicwall / sma100 firmware
sonicwall / sonicos

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

SonicWall SonicOS Enhanced V6.5.4 with VPN and IPS on TZ and SOHO Appliances - SonicWALL, Inc - Common Criteria CCEVS-VR-11028-2020 - archived

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0006(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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