{"id":"CVE-2022-4991","aliases":["EUVD-2022-55995","GHSA-5f9c-98g5-38r4"],"status":"published","title":"Tychon is vulnerable to privilege escalation due to OPENSSLDIR location","description":"Tychon includes an OpenSSL component that specifies an OPENSSLDIR variable as a subdirectory that may be controllable by an unprivileged user on Windows. Tychon contains a privileged service that uses this OpenSSL component. A user who can place a specially-crafted openssl.cnf file at an appropriate path may be able to achieve arbitrary code execution with SYSTEM privileges.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00254,"percentile":0.1701,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2026-06-01T15:49:12Z","modified":"2026-07-22T07:10:00Z","products":[{"vendor":"tychon","product":"tychon"}],"references":[{"url":"https://www.kb.cert.org/vuls/id/730007"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4991"},{"url":"https://github.com/advisories/GHSA-5f9c-98g5-38r4"}],"sources":{"cve":[{"id":"CVE-2022-4991","title":"Tychon is vulnerable to privilege escalation due to OPENSSLDIR location","description":"Tychon includes an OpenSSL component that specifies an OPENSSLDIR variable as a subdirectory that may be controllable by an unprivileged user on Windows. Tychon contains a privileged service that uses this OpenSSL component. A user who can place a specially-crafted openssl.cnf file at an appropriate path may be able to achieve arbitrary code execution with SYSTEM privileges.","status":"published","published":"2026-06-01T15:49:12.319Z","modified":"2026-06-02T15:47:22.422Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T14:34:38.263045Z"}],"euvd":[{"id":"EUVD-2022-55995","description":"Tychon includes an OpenSSL component that specifies an OPENSSLDIR variable as a subdirectory that may be controllable by an unprivileged user on Windows. Tychon contains a privileged service that uses this OpenSSL component. A user who can place a specially-crafted openssl.cnf file at an appropriate path may be able to achieve arbitrary code execution with SYSTEM privileges.","status":"published","published":"2026-06-01T15:49:12Z","modified":"2026-06-02T15:47:22Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T18:20:56.053165Z"}],"ghsa":[{"id":"GHSA-5f9c-98g5-38r4","title":"Tychon includes an OpenSSL component that specifies an OPENSSLDIR variable as a subdirectory that...","description":"Tychon includes an OpenSSL component that specifies an OPENSSLDIR variable as a subdirectory that may be controllable by an unprivileged user on Windows. Tychon contains a privileged service that uses this OpenSSL component. A user who can place a specially-crafted openssl.cnf file at an appropriate path may be able to achieve arbitrary code execution with SYSTEM privileges.","status":"published","published":"2026-06-01T18:31:48Z","modified":"2026-06-02T18:31:28Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:08:30.158602Z"}],"nvd":[{"id":"CVE-2022-4991","description":"Tychon includes an OpenSSL component that specifies an OPENSSLDIR variable as a subdirectory that may be controllable by an unprivileged user on Windows. Tychon contains a privileged service that uses this OpenSSL component. A user who can place a specially-crafted openssl.cnf file at an appropriate path may be able to achieve arbitrary code execution with SYSTEM privileges.","status":"published","published":"2026-06-01T17:16:23.143Z","modified":"2026-07-22T07:10:00.107Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"updated_at":"2026-11-02T14:07:43.752276Z"}]}}