{"api_version":"1","generated_at":"2026-07-23T15:33:07+00:00","cve":"CVE-2022-35508","urls":{"html":"https://cve.report/CVE-2022-35508","api":"https://cve.report/api/cve/CVE-2022-35508.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-35508","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-35508"},"summary":{"title":"CVE-2022-35508","description":"Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) are vulnerable to SSRF when proxying HTTP requests between pve(pmg)proxy and pve(pmg)daemon. An attacker with an unprivileged account can craft an HTTP request to achieve SSRF and file disclosure of any files on the server. Also, in Proxmox Mail Gateway, privilege escalation to the root@pam account is possible if the backup feature has ever been used, because backup files such as pmg-backup_YYYY_MM_DD_*.tgz have 0644 permissions and contain an authkey value. This is fixed in pve-http-server 4.1-3.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2022-12-04 19:15:00","updated_at":"2023-11-07 03:49:00"},"problem_types":["CWE-918"],"metrics":[],"references":[{"url":"https://git.proxmox.com/?p=pve-http-server.git%3Ba=commitdiff%3Bh=580d540ea907ba15f64379c5bb69ecf1a49a875f","name":"https://git.proxmox.com/?p=pve-http-server.git%3Ba=commitdiff%3Bh=580d540ea907ba15f64379c5bb69ecf1a49a875f","refsource":"","tags":[],"title":"git.proxmox.com Git - pve-http-server.git/commitdiff","mime":"text/xml","httpstatus":"404","archivestatus":"200"},{"url":"https://git.proxmox.com/?p=pve-http-server.git;a=commitdiff;h=580d540ea907ba15f64379c5bb69ecf1a49a875f","name":"https://git.proxmox.com/?p=pve-http-server.git;a=commitdiff;h=580d540ea907ba15f64379c5bb69ecf1a49a875f","refsource":"MISC","tags":[],"title":"git.proxmox.com Git - pve-http-server.git/commitdiff","mime":"text/xml","httpstatus":"200","archivestatus":"404"},{"url":"https://git.proxmox.com/?p=pve-http-server.git%3Ba=commitdiff%3Bh=c2bd69c7b5e9c775f96021cf8ae53da3dbd9029d","name":"https://git.proxmox.com/?p=pve-http-server.git%3Ba=commitdiff%3Bh=c2bd69c7b5e9c775f96021cf8ae53da3dbd9029d","refsource":"","tags":[],"title":"git.proxmox.com Git - pve-http-server.git/commitdiff","mime":"text/xml","httpstatus":"404","archivestatus":"200"},{"url":"https://git.proxmox.com/?p=pve-http-server.git;a=commitdiff;h=c2bd69c7b5e9c775f96021cf8ae53da3dbd9029d","name":"https://git.proxmox.com/?p=pve-http-server.git;a=commitdiff;h=c2bd69c7b5e9c775f96021cf8ae53da3dbd9029d","refsource":"MISC","tags":[],"title":"git.proxmox.com Git - pve-http-server.git/commitdiff","mime":"text/xml","httpstatus":"200","archivestatus":"404"},{"url":"https://git.proxmox.com/?p=pve-http-server.git%3Ba=commitdiff%3Bh=e9df8a6e76b2a18f89295a5d92a62177bbf0f762","name":"https://git.proxmox.com/?p=pve-http-server.git%3Ba=commitdiff%3Bh=e9df8a6e76b2a18f89295a5d92a62177bbf0f762","refsource":"","tags":[],"title":"git.proxmox.com Git - pve-http-server.git/commitdiff","mime":"text/xml","httpstatus":"404","archivestatus":"200"},{"url":"https://starlabs.sg/blog/2022/12-multiple-vulnerabilites-in-proxmox-ve--proxmox-mail-gateway/","name":"https://starlabs.sg/blog/2022/12-multiple-vulnerabilites-in-proxmox-ve--proxmox-mail-gateway/","refsource":"MISC","tags":[],"title":"Multiple Vulnerabilities in Proxmox VE & Proxmox Mail Gateway | STAR Labs","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://git.proxmox.com/?p=pve-http-server.git;a=commitdiff;h=e9df8a6e76b2a18f89295a5d92a62177bbf0f762","name":"https://git.proxmox.com/?p=pve-http-server.git;a=commitdiff;h=e9df8a6e76b2a18f89295a5d92a62177bbf0f762","refsource":"MISC","tags":[],"title":"git.proxmox.com Git - pve-http-server.git/commitdiff","mime":"text/xml","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-35508","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-35508","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"35508","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"proxmox","cpe5":"proxmox_mail_gateway","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"35508","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"proxmox","cpe5":"pve_http_server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"35508","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"proxmox","cpe5":"virtual_environment","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2022-35508","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) are vulnerable to SSRF when proxying HTTP requests between pve(pmg)proxy and pve(pmg)daemon. An attacker with an unprivileged account can craft an HTTP request to achieve SSRF and file disclosure of any files on the server. Also, in Proxmox Mail Gateway, privilege escalation to the root@pam account is possible if the backup feature has ever been used, because backup files such as pmg-backup_YYYY_MM_DD_*.tgz have 0644 permissions and contain an authkey value. This is fixed in pve-http-server 4.1-3."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://git.proxmox.com/?p=pve-http-server.git;a=commitdiff;h=580d540ea907ba15f64379c5bb69ecf1a49a875f","refsource":"MISC","name":"https://git.proxmox.com/?p=pve-http-server.git;a=commitdiff;h=580d540ea907ba15f64379c5bb69ecf1a49a875f"},{"url":"https://git.proxmox.com/?p=pve-http-server.git;a=commitdiff;h=e9df8a6e76b2a18f89295a5d92a62177bbf0f762","refsource":"MISC","name":"https://git.proxmox.com/?p=pve-http-server.git;a=commitdiff;h=e9df8a6e76b2a18f89295a5d92a62177bbf0f762"},{"url":"https://git.proxmox.com/?p=pve-http-server.git;a=commitdiff;h=c2bd69c7b5e9c775f96021cf8ae53da3dbd9029d","refsource":"MISC","name":"https://git.proxmox.com/?p=pve-http-server.git;a=commitdiff;h=c2bd69c7b5e9c775f96021cf8ae53da3dbd9029d"},{"url":"https://starlabs.sg/blog/2022/12-multiple-vulnerabilites-in-proxmox-ve--proxmox-mail-gateway/","refsource":"MISC","name":"https://starlabs.sg/blog/2022/12-multiple-vulnerabilites-in-proxmox-ve--proxmox-mail-gateway/"}]}},"nvd":{"publishedDate":"2022-12-04 19:15:00","lastModifiedDate":"2023-11-07 03:49:00","problem_types":["CWE-918"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:proxmox:proxmox_mail_gateway:-:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:proxmox:pve_http_server:*:*:*:*:*:*:*:*","versionEndExcluding":"4.1-3","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:proxmox:virtual_environment:-:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}