{"id":"CVE-2020-5132","aliases":["EUVD-2020-26379","GHSA-cm74-jg3x-hghv"],"status":"published","title":"SonicWall SSL-VPN products and SonicWall firewall SSL-VPN feature misconfiguration leads to...","description":"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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00985,"percentile":0.62644,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2020-09-30T05:25:11Z","modified":"2026-06-17T03:20:57Z","products":[{"vendor":"sonicwall","product":"sma100"},{"vendor":"sonicwall","product":"sma1000"},{"vendor":"sonicwall","product":"sma100_firmware"},{"vendor":"sonicwall","product":"sonicos"}],"references":[{"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0006","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5132"},{"url":"https://github.com/advisories/GHSA-cm74-jg3x-hghv"}],"sources":{"cve":[{"id":"CVE-2020-5132","description":"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.","status":"published","published":"2020-09-30T05:25:11Z","modified":"2024-08-04T08:22:08.68Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:35:47.56691Z"}],"euvd":[{"id":"EUVD-2020-26379","description":"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.","status":"published","published":"2020-09-30T05:25:11Z","modified":"2024-08-04T08:22:08Z","updated_at":"2026-11-03T03:08:07.872525Z"}],"ghsa":[{"id":"GHSA-cm74-jg3x-hghv","title":"SonicWall SSL-VPN products and SonicWall firewall SSL-VPN feature misconfiguration leads to...","description":"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.","status":"published","published":"2022-05-24T22:28:33Z","modified":"2023-01-30T05:05:34Z","updated_at":"2026-11-02T14:47:18.26887Z"}],"nvd":[{"id":"CVE-2020-5132","description":"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.","status":"published","published":"2020-09-30T06:15:12.953Z","modified":"2026-06-17T03:20:57.16Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:06:17.70091Z"}]}}