{"id":4085,"date":"2025-12-26T12:52:15","date_gmt":"2025-12-26T04:52:15","guid":{"rendered":"https:\/\/blog.billows.com.tw\/?p=4085"},"modified":"2025-12-26T13:41:43","modified_gmt":"2025-12-26T05:41:43","slug":"fortinet%e8%ad%a6%e5%91%8a-fortios-ssl-vpn-%e9%a9%97%e8%ad%89%e7%b9%9e%e9%81%8e%e6%bc%8f%e6%b4%9e%ef%bc%88cve-2020-12812%ef%bc%89%e5%86%8d%e5%ba%a6%e9%81%ad%e5%af%a6%e9%9a%9b%e6%94%bb%e6%93%8a","status":"publish","type":"post","link":"https:\/\/blog.billows.com.tw\/?p=4085","title":{"rendered":"Fortinet\u8b66\u544a: FortiOS SSL VPN \u9a57\u8b49\u7e5e\u904e\u6f0f\u6d1e\uff08CVE-2020-12812\uff09\u518d\u5ea6\u906d\u5be6\u969b\u653b\u64ca\u5229\u7528"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"831\" height=\"505\" src=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/12\/image-7.png\" alt=\"\" class=\"wp-image-4086\" srcset=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/12\/image-7.png 831w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/12\/image-7-300x182.png 300w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/12\/image-7-768x467.png 768w\" sizes=\"auto, (max-width: 831px) 100vw, 831px\" \/><\/figure>\n\n\n\n<p><strong>\u4e94\u5e74\u524d\u7684\u8001\u6f0f\u6d1e\uff0c\u4eca\u5929\u4ecd\u5728\u88ab\u6b66\u5668\u5316:<\/strong><\/p>\n\n\n\n<p>Fortinet \u8fd1\u671f<a href=\"https:\/\/www.fortinet.com\/blog\/psirt-blogs\/product-security-advisory-and-analysis-observed-abuse-of-fg-ir-19-283\">\u8b49\u5be6<\/a>\uff0c\u4e00\u500b<strong>\u65e9\u5728<\/strong><strong> 2020 <\/strong><strong>\u5e74\u5373\u5df2\u63ed\u9732\u4e26\u4fee\u88dc\u7684 FortiOS SSL VPN <\/strong><strong>\u6f0f\u6d1e<\/strong>\uff0c\u81f3\u4eca\u4ecd\u5728\u7279\u5b9a\u74b0\u5883\u8a2d\u5b9a\u4e0b\u906d\u5230\u99ed\u5ba2<strong>\u5be6\u969b\u6feb\u7528\uff08<\/strong><strong>in-the-wild exploitation<\/strong><strong>\uff09<\/strong>\u3002<br>\u9019\u8d77\u6f0f\u6d1e\u7de8\u865f\u70ba <strong>CVE-2020-12812<\/strong><strong>\uff08CVSS 5.2<\/strong><strong>\uff09<\/strong>\uff0c\u672c\u8cea\u4e26\u975e\u50b3\u7d71\u7684\u7a0b\u5f0f\u932f\u8aa4\uff0c\u800c\u662f<strong>\u9a57\u8b49\u908f\u8f2f\u8207\u8eab\u5206\u7cfb\u7d71\u8a2d\u8a08\u4e0d\u4e00\u81f4\u6240\u5c0e\u81f4\u7684\u5b89\u5168\u7e5e\u904e\u554f\u984c<\/strong>\u3002<\/p>\n\n\n\n<p><strong>\u6f0f\u6d1e\u672c\u8cea\uff1a\u5927\u5c0f\u5beb\u5dee\u7570\uff0c\u7adf\u80fd\u7e5e\u904e\u96d9\u56e0\u7d20\u9a57\u8b49\uff082FA<\/strong><strong>\uff09<\/strong><\/p>\n\n\n\n<p>CVE-2020-12812 \u5c6c\u65bc <strong>\u4e0d\u7576\u9a57\u8b49\uff08Improper Authentication<\/strong><strong>\uff09\u6f0f\u6d1e<\/strong>\uff0c\u5f71\u97ff FortiOS \u7684 <strong>SSL VPN <\/strong><strong>\u9a57\u8b49\u6d41\u7a0b<\/strong>\u3002<br>\u5728\u7279\u5b9a\u689d\u4ef6\u4e0b\uff0c\u653b\u64ca\u8005\u53ea\u8981<strong>\u8b8a\u66f4\u4f7f\u7528\u8005\u540d\u7a31\u7684\u5927\u5c0f\u5beb<\/strong>\uff08\u4f8b\u5982 <strong>jsmith<\/strong> \u6539\u6210 <strong>JSmith<\/strong>\uff09\uff0c\u5c31\u53ef\u80fd<strong>\u5b8c\u5168<\/strong>\u8df3\u904e\u7b2c\u4e8c\u9053\u9a57\u8b49<strong>\uff08<\/strong><strong>FortiToken \/ 2FA<\/strong><strong>\uff09<\/strong>\uff0c\u6210\u529f\u767b\u5165\u7cfb\u7d71\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"831\" height=\"300\" src=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/12\/image-3.jpg\" alt=\"\" class=\"wp-image-4087\" srcset=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/12\/image-3.jpg 831w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/12\/image-3-300x108.jpg 300w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2025\/12\/image-3-768x277.jpg 768w\" sizes=\"auto, (max-width: 831px) 100vw, 831px\" \/><figcaption class=\"wp-element-caption\">Photo Credit: Fortinet<\/figcaption><\/figure>\n\n\n\n<p>\u554f\u984c\u6838\u5fc3\u5728\u65bc\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>FortiGate <\/strong><strong>\u9810\u8a2d\u5c07\u4f7f\u7528\u8005\u540d\u7a31\u8996\u70ba\u300c\u5927\u5c0f\u5beb\u654f\u611f\u300d<\/strong><\/li>\n\n\n\n<li><strong>LDAP <\/strong><strong>\u76ee\u9304\u670d\u52d9\u5247\u662f\u300c\u5927\u5c0f\u5beb\u4e0d\u654f\u611f\u300d<\/strong><\/li>\n\n\n\n<li>\u7576\u5169\u8005\u6df7\u7528\u6642\uff0c\u9a57\u8b49\u908f\u8f2f\u51fa\u73fe\u843d\u5dee<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4ec0\u9ebc\u60c5\u6cc1\u4e0b\u6703\u4e2d\u62db\uff1f\uff08\u95dc\u9375\u8a2d\u5b9a\u689d\u4ef6\uff09<\/strong><\/p>\n\n\n\n<p>\u6839\u64da Fortinet \u6700\u65b0\uff082025\/12\/24\uff09\u516c\u544a\uff0c<strong>\u5fc5\u9808\u540c\u6642\u6eff\u8db3\u4ee5\u4e0b\u8a2d\u5b9a\u689d\u4ef6\uff0c\u6f0f\u6d1e\u624d\u6703\u88ab\u89f8\u767c<\/strong>\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>FortiGate \u4e0a\u5b58\u5728<strong>\u555f\u7528<\/strong><strong> 2FA <\/strong><strong>\u7684\u672c\u6a5f\u4f7f\u7528\u8005\uff08Local User<\/strong><strong>\uff09<\/strong><\/li>\n\n\n\n<li>\u8a72\u672c\u6a5f\u4f7f\u7528\u8005\u662f<strong>\u900f\u904e<\/strong><strong> LDAP <\/strong><strong>\u9032\u884c\u9060\u7aef\u9a57\u8b49<\/strong><\/li>\n\n\n\n<li>\u540c\u4e00\u5e33\u865f\u540c\u6642\u4e5f\u662f <strong>LDAP <\/strong><strong>\u7fa4\u7d44\u6210\u54e1<\/strong><\/li>\n\n\n\n<li>\u8a72 LDAP \u7fa4\u7d44\u88ab\u8a2d\u5b9a\u65bc FortiGate\uff0c\u4e26\u7528\u65bc\uff1a\n<ul class=\"wp-block-list\">\n<li>\u7ba1\u7406\u8005\u767b\u5165<\/li>\n\n\n\n<li>SSL VPN<\/li>\n\n\n\n<li>IPsec VPN \u7b49\u9a57\u8b49\u653f\u7b56<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><strong>\u653b\u64ca\u6d41\u7a0b\u5982\u4f55\u767c\u751f\uff1f<\/strong><\/p>\n\n\n\n<p>\u7576\u4f7f\u7528\u8005\u4ee5\u300c\u975e\u5b8c\u5168\u4e00\u81f4\u5927\u5c0f\u5beb\u300d\u7684\u5e33\u865f\u767b\u5165\u6642\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>FortiGate <strong>\u7121\u6cd5\u6bd4\u5c0d\u5230\u672c\u6a5f\u7684 2FA <\/strong><strong>\u4f7f\u7528\u8005<\/strong><\/li>\n\n\n\n<li>\u7cfb\u7d71\u8f49\u800c\u5617\u8a66\u5176\u4ed6\u9a57\u8b49\u653f\u7b56<\/li>\n\n\n\n<li>\u767c\u73fe\u7b26\u5408\u689d\u4ef6\u7684 <strong>LDAP <\/strong><strong>\u7fa4\u7d44<\/strong><\/li>\n\n\n\n<li>\u53ea\u8981 LDAP \u5e33\u5bc6\u6b63\u78ba\uff0c\u5373\u53ef<strong>\u76f4\u63a5\u901a\u904e\u9a57\u8b49<\/strong><\/li>\n\n\n\n<li><strong>2FA<\/strong><strong>\u3001\u5e33\u865f\u505c\u7528\u7b49\u672c\u6a5f\u5b89\u5168\u8a2d\u5b9a\u5b8c\u5168\u88ab\u7e5e\u904e<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u7d50\u679c\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u7ba1\u7406\u8005\u6216 VPN <\/strong><strong>\u5e33\u865f\u5728\u672a\u7d93 2FA <\/strong><strong>\u7684\u60c5\u6cc1\u4e0b\u6210\u529f\u767b\u5165<\/strong><\/p>\n\n\n\n<p><strong>\u70ba\u4f55\u9019\u9ebc\u5371\u96aa\uff1f<\/strong><\/p>\n\n\n\n<p>\u9019\u985e\u6f0f\u6d1e\u7279\u5225\u5bb9\u6613\u88ab\u5ffd\u7565\uff0c\u56e0\u70ba\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u9700\u8981\u6f0f\u6d1e\u5229\u7528\u7a0b\u5f0f\uff08Exploit\uff09<\/li>\n\n\n\n<li>\u4e0d\u6703\u7559\u4e0b\u660e\u986f\u932f\u8aa4\u7d00\u9304<\/li>\n\n\n\n<li>\u767b\u5165\u884c\u70ba\u300c\u770b\u8d77\u4f86\u5b8c\u5168\u6b63\u5e38\u300d<\/li>\n<\/ul>\n\n\n\n<p>\u4e00\u65e6\u88ab\u6feb\u7528\uff0c\u4f01\u696d\u53ef\u80fd\u5fc5\u9808\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5168\u9762\u91cd\u7f6e\u7ba1\u7406\u8005\u8207 VPN <\/strong><strong>\u5e33\u5bc6<\/strong><\/li>\n\n\n\n<li>\u91cd\u65b0\u6aa2\u8996 AD \/ LDAP \u67b6\u69cb<\/li>\n\n\n\n<li>\u9032\u884c\u5165\u4fb5\u8abf\u67e5\uff08IR\uff09<\/li>\n<\/ul>\n\n\n\n<p><strong>\u591a\u500b APT <\/strong><strong>\u8207\u52d2\u7d22\u7d44\u7e54\u65e9\u5df2\u5be6\u6230\u5229\u7528<\/strong><\/p>\n\n\n\n<p>\u4e8b\u5be6\u4e0a\uff0cCVE-2020-12812 \u4e26\u975e\u7406\u8ad6\u6f0f\u6d1e\uff0c\u65e9\u5df2\u88ab\u591a\u500b\u5a01\u8105\u884c\u70ba\u8005\u6b66\u5668\u5316\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>2021 <\/strong><strong>\u5e74<\/strong>\uff1aFBI \u8207 CISA \u806f\u5408\u8b66\u544a APT \u5229\u7528\u8a72\u6f0f\u6d1e\u653b\u64ca FortiOS<\/li>\n\n\n\n<li><strong>\u4f0a\u6717\u76f8\u95dc APT<\/strong>\uff08\u542b APT35 \/ Charming Kitten\uff09<br>\u5229\u7528 CVE-2018-13379\u3001CVE-2019-5591\u3001CVE-2020-12812 \u9032\u884c\u6a6b\u5411\u5165\u4fb5<\/li>\n\n\n\n<li><strong>COBALT MIRAGE APT<\/strong>\uff082022\uff09<br>\u88ab Secureworks \u8b49\u5be6\u5be6\u969b\u5229\u7528\u6b64\u6f0f\u6d1e<\/li>\n\n\n\n<li><strong>Hive <\/strong><strong>\u52d2\u7d22\u8edf\u9ad4\u7d44\u7e54<\/strong><br>\u4ea6\u66fe\u5728\u653b\u64ca\u884c\u52d5\u4e2d\u4f7f\u7528\u8a72\u6f0f\u6d1e<\/li>\n<\/ul>\n\n\n\n<p>\u8a72\u6f0f\u6d1e\u4e5f\u88ab\u5217\u5165\u7f8e\u570b\u653f\u5e9c\u300c<strong>\u5468\u908a\u8a2d\u5099\uff08<\/strong><strong>Perimeter Device<\/strong><strong>\uff09\u88ab\u5927\u91cf\u6b66\u5668\u5316\u7684\u95dc\u9375\u5f31\u9ede\u6e05\u55ae<\/strong>\u300d\u3002<\/p>\n\n\n\n<p><strong>\u4fee\u88dc\u8207\u7de9\u89e3\u5efa\u8b70\uff08\u52d9\u5fc5\u6aa2\u67e5\uff09<\/strong><\/p>\n\n\n\n<p><strong>\u5df2\u4fee\u88dc\u7248\u672c\uff082020 <\/strong><strong>\u5e74\u5373\u5df2\u91cb\u51fa\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>FortiOS <strong>6.0.10<\/strong><\/li>\n\n\n\n<li>FortiOS <strong>6.2.4<\/strong><\/li>\n\n\n\n<li>FortiOS <strong>6.4.1<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>\u5f37\u5236\u5efa\u8b70\u8a2d\u5b9a\uff08\u95dc\u9375\uff09<\/strong><\/p>\n\n\n\n<p><strong>\u820a\u7248\u672c\uff08\u672a\u5347\u7d1a\u8005\uff09<\/strong><\/p>\n\n\n\n<p>set username-case-sensitivity disable<\/p>\n\n\n\n<p><strong>\u8f03\u65b0\u7248\u672c\uff086.0.13 \/ 6.2.10 \/ 6.4.7 \/ 7.0.1 <\/strong><strong>\u4ee5\u4e0a\uff09<\/strong><\/p>\n\n\n\n<p>set username-sensitivity disable<\/p>\n\n\n\n<p>\u95dc\u9589\u5f8c\uff0cFortiGate \u5c07\u628ajsmith \/ JSmith \/ JSMITH \u8996\u70ba\u540c\u4e00\u5e33\u865f\uff0c<strong>\u907f\u514d\u9a57\u8b49\u6d41\u7a0b\u932f\u4f4d<\/strong>\u3002<\/p>\n\n\n\n<p><strong>\u9032\u968e\u9632\u8b77\u5efa\u8b70\uff08\u8cc7\u5b89\u5be6\u52d9\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u82e5\u975e\u5fc5\u8981\uff0c<strong>\u79fb\u9664\u6b21\u8981<\/strong><strong> LDAP <\/strong><strong>\u7fa4\u7d44\u9a57\u8b49<\/strong><\/li>\n\n\n\n<li>\u5b9a\u671f\u6aa2\u8996\u300c\u672c\u6a5f\u5e33\u865f + LDAP\u300d\u6df7\u5408\u8a2d\u8a08<\/li>\n\n\n\n<li>\u82e5\u66fe\u767c\u73fe<strong>\u672a\u7d93<\/strong><strong> 2FA <\/strong><strong>\u7684\u7ba1\u7406\u6216 VPN <\/strong><strong>\u767b\u5165\u7d00\u9304<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u7acb\u5373\u91cd\u7f6e\u6240\u6709\u76f8\u95dc\u5e33\u5bc6<\/li>\n\n\n\n<li>\u806f\u7e6b Fortinet Support \u9032\u884c\u8abf\u67e5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u8cc7\u5b89\u89c0\u9ede\u7e3d\u7d50<\/strong><\/p>\n\n\n\n<p><strong>\u9019\u4e0d\u662f\u300c\u820a\u6f0f\u6d1e\u6c92\u4fee\u300d\u7684\u554f\u984c\uff0c\u800c\u662f\u300c\u9a57\u8b49\u8a2d\u8a08\u88ab\u8aa4\u7528\u300d\u7684\u98a8\u96aa\u3002<\/strong><br>\u5728\u96f6\u4fe1\u4efb\u8207\u591a\u56e0\u7d20\u9a57\u8b49\u5df2\u6210\u57fa\u672c\u8981\u6c42\u7684\u4eca\u5929\uff0c<br><strong>\u4efb\u4f55\u4e00\u500b\u300c\u770b\u4f3c\u53ea\u662f\u8a2d\u5b9a\u554f\u984c\u300d\u7684\u88c2\u7e2b\uff0c\u90fd\u53ef\u80fd\u6210\u70ba\u5be6\u969b\u5165\u4fb5\u7684\u5165\u53e3\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e94\u5e74\u524d\u7684\u8001\u6f0f\u6d1e\uff0c\u4eca\u5929\u4ecd\u5728\u88ab\u6b66\u5668\u5316: Fortinet \u8fd1\u671f\u8b49\u5be6\uff0c\u4e00\u500b\u65e9\u5728 2020 \u5e74\u5373\u5df2\u63ed\u9732\u4e26\u4fee\u88dc\u7684 For <a class=\"read-more\" href=\"https:\/\/blog.billows.com.tw\/?p=4085\">READ MORE<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[174],"class_list":["post-4085","post","type-post","status-publish","format-standard","hentry","category-6","tag-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/4085","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4085"}],"version-history":[{"count":1,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/4085\/revisions"}],"predecessor-version":[{"id":4088,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/4085\/revisions\/4088"}],"wp:attachment":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}