{"id":783,"date":"2026-01-22T19:43:21","date_gmt":"2026-01-22T18:43:21","guid":{"rendered":"http:\/\/cybersecure24.pl\/what-do-aliquam-sed-fringilla\/"},"modified":"2026-02-24T18:39:56","modified_gmt":"2026-02-24T17:39:56","slug":"webmail-pod-ostrzalem-roundcube-i-ryzyko-przejecia-skrzynek-przez-znane-luki","status":"publish","type":"post","link":"https:\/\/cybersecure24.pl\/en\/webmail-pod-ostrzalem-roundcube-i-ryzyko-przejecia-skrzynek-przez-znane-luki\/","title":{"rendered":"Webmail pod ostrza\u0142em: Roundcube i ryzyko przej\u0119cia skrzynek przez znane luki"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Webmail to \u201ecentrum dowodzenia\u201d w wielu firmach: resetuje has\u0142a, odbiera faktury, potwierdza przelewy i przyjmuje wiadomo\u015bci z linkami. Dlatego podatno\u015bci w popularnych platformach poczty (takich jak Roundcube) s\u0105 \u0142akomym k\u0105skiem &#8211; bo daj\u0105 atakuj\u0105cemu dost\u0119p do skrzynki, a skrzynka cz\u0119sto daje dost\u0119p do reszty.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Co si\u0119 dzieje?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">CISA doda\u0142a do katalogu KEV (Known Exploited Vulnerabilities) dwie podatno\u015bci Roundcube, wskazuj\u0105c na dowody <strong>aktywnego wykorzystywania<\/strong>. Media bran\u017cowe opisuj\u0105 m.in. powa\u017cn\u0105 luk\u0119 umo\u017cliwiaj\u0105c\u0105 zdalne wykonanie kodu (RCE) oraz podatno\u015b\u0107 typu XSS zwi\u0105zan\u0105 z obs\u0142ug\u0105 SVG.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Dlaczego to gro\u017ane (praktycznie)?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Bo przej\u0119ta skrzynka to cz\u0119sto:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>podejrzenie korespondencji (faktury, umowy, dane klient\u00f3w),<\/li>\n\n\n\n<li>przechwycenie reset\u00f3w hase\u0142 (\u201ezapomnia\u0142em has\u0142a\u201d),<\/li>\n\n\n\n<li>podszycie si\u0119 pod pracownika i wy\u0142udzenie p\u0142atno\u015bci (BEC \u2014 Business Email Compromise),<\/li>\n\n\n\n<li>rozsy\u0142anie phishingu \u201ez zaufanego adresu\u201d.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Jak wygl\u0105da typowy \u0142a\u0144cuch ataku po przej\u0119ciu poczty?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">1.Dost\u0119p do webmaila \/ luka w aplikacji.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.Atakuj\u0105cy ustawia regu\u0142y: przekierowanie, ukrywanie wiadomo\u015bci, usuwanie alert\u00f3w.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3.Obserwuje faktury\/kontrahent\u00f3w i czeka na najlepszy moment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4.Wysy\u0142a mail \u201epodmie\u0144 konto do przelewu\u201d albo \u201epilna pro\u015bba o p\u0142atno\u015b\u0107\u201d.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Co zrobi\u0107, je\u015bli u\u017cywasz Roundcube (albo adminujesz poczt\u0105)?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Priorytet 1 \u2013 aktualizacja:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aktualizuj Roundcube do wersji zalecanej przez vendor\u00f3w \/ dystrybucj\u0119.<\/li>\n\n\n\n<li>Je\u015bli nie mo\u017cesz patchowa\u0107 od razu: ogranicz dost\u0119p do webmaila (VPN, IP allowlist).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Priorytet 2 \u2013 zabezpieczenie kont:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>W\u0142\u0105cz 2FA tam, gdzie to mo\u017cliwe.<\/li>\n\n\n\n<li>Zadbaj o mocne has\u0142a i brak wsp\u00f3\u0142dzielonych skrzynek \u201eadmin@\u201d.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Priorytet 3 \u2013 detekcja:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sprawd\u017a regu\u0142y filtr\u00f3w\/przekierowa\u0144 (cz\u0119sto to pierwsza oznaka w\u0142amania).<\/li>\n\n\n\n<li>Zwr\u00f3\u0107 uwag\u0119 na logowania z nietypowych lokalizacji i godzin.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Linki:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.bleepingcomputer.com\/news\/security\/cisa-recently-patched-roundcube-flaws-now-exploited-in-attacks\">https:\/\/www.bleepingcomputer.com\/news\/security\/cisa-recently-patched-roundcube-flaws-now-exploited-in-attacks<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.cisa.gov\/known-exploited-vulnerabilities-catalog\">https:\/\/www.cisa.gov\/known-exploited-vulnerabilities-catalog<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Webmail to \u201ecentrum dowodzenia\u201d w wielu firmach: resetuje has\u0142a, odbiera faktury, potwierdza przelewy i przyjmuje wiadomo\u015bci z linkami. Dlatego podatno\u015bci w popularnych platformach poczty (takich jak Roundcube) s\u0105 \u0142akomym k\u0105skiem &#8211; bo daj\u0105 atakuj\u0105cemu dost\u0119p do skrzynki, a skrzynka cz\u0119sto daje dost\u0119p do reszty. Co si\u0119 dzieje? CISA doda\u0142a do katalogu KEV (Known Exploited Vulnerabilities) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2909,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[26,27],"tags":[],"class_list":["post-783","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hasla-2fa-i-ochrona-kont","category-phishing-i-falszywe-wiadomosci"],"uagb_featured_image_src":{"full":["https:\/\/cybersecure24.pl\/wp-content\/uploads\/2026\/01\/2.png",1536,1024,false],"thumbnail":["https:\/\/cybersecure24.pl\/wp-content\/uploads\/2026\/01\/2-150x150.png",150,150,true],"medium":["https:\/\/cybersecure24.pl\/wp-content\/uploads\/2026\/01\/2-300x200.png",300,200,true],"medium_large":["https:\/\/cybersecure24.pl\/wp-content\/uploads\/2026\/01\/2-768x512.png",768,512,true],"large":["https:\/\/cybersecure24.pl\/wp-content\/uploads\/2026\/01\/2-1024x683.png",1024,683,true],"1536x1536":["https:\/\/cybersecure24.pl\/wp-content\/uploads\/2026\/01\/2.png",1536,1024,false],"2048x2048":["https:\/\/cybersecure24.pl\/wp-content\/uploads\/2026\/01\/2.png",1536,1024,false],"trp-custom-language-flag":["https:\/\/cybersecure24.pl\/wp-content\/uploads\/2026\/01\/2.png",18,12,false]},"uagb_author_info":{"display_name":"A.Szczerbik","author_link":"https:\/\/cybersecure24.pl\/en\/author\/a-szczerbik\/"},"uagb_comment_info":0,"uagb_excerpt":"Webmail to \u201ecentrum dowodzenia\u201d w wielu firmach: resetuje has\u0142a, odbiera faktury, potwierdza przelewy i przyjmuje wiadomo\u015bci z linkami. Dlatego podatno\u015bci w popularnych platformach poczty (takich jak Roundcube) s\u0105 \u0142akomym k\u0105skiem &#8211; bo daj\u0105 atakuj\u0105cemu dost\u0119p do skrzynki, a skrzynka cz\u0119sto daje dost\u0119p do reszty. Co si\u0119 dzieje? CISA doda\u0142a do katalogu KEV (Known Exploited Vulnerabilities)&hellip;","_links":{"self":[{"href":"https:\/\/cybersecure24.pl\/en\/wp-json\/wp\/v2\/posts\/783","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cybersecure24.pl\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cybersecure24.pl\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cybersecure24.pl\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cybersecure24.pl\/en\/wp-json\/wp\/v2\/comments?post=783"}],"version-history":[{"count":4,"href":"https:\/\/cybersecure24.pl\/en\/wp-json\/wp\/v2\/posts\/783\/revisions"}],"predecessor-version":[{"id":2930,"href":"https:\/\/cybersecure24.pl\/en\/wp-json\/wp\/v2\/posts\/783\/revisions\/2930"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cybersecure24.pl\/en\/wp-json\/wp\/v2\/media\/2909"}],"wp:attachment":[{"href":"https:\/\/cybersecure24.pl\/en\/wp-json\/wp\/v2\/media?parent=783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cybersecure24.pl\/en\/wp-json\/wp\/v2\/categories?post=783"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cybersecure24.pl\/en\/wp-json\/wp\/v2\/tags?post=783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}