{"id":39397,"date":"2021-02-02T15:23:10","date_gmt":"2021-02-02T15:23:10","guid":{"rendered":"https:\/\/packetstormsecurity.com\/news\/view\/31982\/Hackers-Are-Exploiting-A-Critical-Zero-Day-In-Devices-From-SonicWall.html"},"modified":"2021-02-02T15:23:10","modified_gmt":"2021-02-02T15:23:10","slug":"hackers-are-exploiting-a-critical-zero-day-in-devices-from-sonicwall","status":"publish","type":"post","link":"https:\/\/www.threatshub.org\/blog\/hackers-are-exploiting-a-critical-zero-day-in-devices-from-sonicwall\/","title":{"rendered":"Hackers Are Exploiting A Critical Zero Day In Devices From SonicWall"},"content":{"rendered":"<figure class=\"intro-image intro-left\"><img decoding=\"async\" src=\"https:\/\/cdn.arstechnica.net\/wp-content\/uploads\/2021\/02\/zeroday-800x534.jpg\" alt=\"The phrase Zero Day can be spotted on a monochrome computer screen clogged with ones and zeros.\"><figcaption class=\"caption\"><\/figcaption><\/figure>\n<aside id=\"social-left\" class=\"social-left\" aria-label=\"Read the comments or share this article\"><a title=\"29 posters participating\" class=\"comment-count icon-comment-bubble-down\" href=\"https:\/\/arstechnica.com\/information-technology\/2021\/02\/hackers-are-exploiting-a-critical-zeroday-in-firewalls-from-sonicwall\/?comments=1\"> <\/p>\n<h4 class=\"comment-count-before\">reader comments<\/h4>\n<p> <span class=\"comment-count-number\">42<\/span> <span class=\"visually-hidden\"> with 29 posters participating<\/span> <\/a> <\/p>\n<div class=\"share-links\">\n<h4>Share this story<\/h4>\n<\/p><\/div>\n<\/aside>\n<p><!-- cache miss 9:single\/related:4b9edef61d84e5a0ea40c266d51c0d7e --><!-- empty --><\/p>\n<p>Network security provider SonicWall said on Monday that hackers are exploiting a critical zero-day vulnerability in one of the devices it sells.<\/p>\n<p>The security flaw resides in the Secure Mobile Access 100 series, SonicWall said in an <a href=\"https:\/\/www.sonicwall.com\/support\/product-notification\/urgent-security-notice-sonicwall-confirms-sma-100-series-10-x-zero-day-vulnerability-feb-1-2-p-m-cst\/210122173415410\/\">advisory updated on Monday<\/a>. The vulnerability, which affects SMA 100 firmware 10.x code, isn\u2019t slated to receive a fix until the end of Tuesday.<\/p>\n<p>Monday\u2019s update came a day after security firm NCC Group <a href=\"https:\/\/twitter.com\/NCCGroupInfosec\/status\/1355850304596680705\">said on Twitter<\/a> that it had detected \u201cindiscriminate use of an exploit in the wild.\u201d The NCC tweet referred to an earlier version of the SonicWall advisory that said its researchers had \u201cidentified a coordinated attack on its internal systems by highly sophisticated threat actors exploiting probable zero-day vulnerabilities on certain SonicWall secure remote access products.\u201d<\/p>\n<div class=\"twitter-tweet\">\n<blockquote class=\"twitter-tweet\" data-lang=\"en\">\n<p lang=\"en\" dir=\"ltr\">Per the <a href=\"https:\/\/twitter.com\/SonicWall?ref_src=twsrc%5Etfw\">@SonicWall<\/a> advisory &#8211; <a href=\"https:\/\/t.co\/teeOvpwFMD\">https:\/\/t.co\/teeOvpwFMD<\/a> &#8211; we&#8217;ve identified and demonstrated exploitability of a possible candidate for the vulnerability described and sent details to SonicWall &#8211; we&#8217;ve also seen indication of indiscriminate use of an exploit in the wild &#8211; check logs<\/p>\n<p>\u2014 NCC Group Research &amp; Technology (@NCCGroupInfosec) <a href=\"https:\/\/twitter.com\/NCCGroupInfosec\/status\/1355850304596680705?ref_src=twsrc%5Etfw\">January 31, 2021<\/a><\/p><\/blockquote>\n<\/div>\n<p>In an email, an NCC Group spokeswoman wrote: \u201cOur team has observed signs of an attempted exploitation of a vulnerability that affects the SonicWall SMA 100 series devices. We are working closely with SonicWall to investigate this in more depth.\u201d<\/p>\n<p>In Monday\u2019s update, SonicWall representatives said the company\u2019s engineering team confirmed that the submission by NCC Group included a \u201ccritical zero-day\u201d in the SMA 100 series 10.x code. SonicWall is tracking it as <a href=\"https:\/\/psirt.global.sonicwall.com\/vuln-detail\/SNWLID-2021-0001\">SNWLID-2021-0001<\/a>. The <a href=\"https:\/\/www.sonicwall.com\/products\/remote-access\/secure-mobile-access-100-series\/\">SMA 100 series<\/a> is a line of secure remote access appliances.<\/p>\n<aside class=\"ad_wrapper\" aria-label=\"In Content advertisement\"> <span class=\"ad_notice\">Advertisement <\/span> <\/aside>\n<p>The disclosure makes SonicWall at least the fifth large company to report in recent weeks that it was targeted by sophisticated hackers. Other companies include network management tool provider SolarWinds, Microsoft, FireEye, and Malwarebytes. CrowdStrike also reported being targeted but said the attack wasn\u2019t successful.<\/p>\n<p>Neither SonicWall nor NCC Group said that the hack involving the SonicWall zero-day was linked to the larger hack campaign involving SolarWinds. Based on the timing of the disclosure and some of the details in it, however, there is widespread speculation that the two are connected.<\/p>\n<p>NCC Group has declined to provide additional details before the zero-day is fixed to prevent the flaw from being exploited further.<\/p>\n<p>People who use SonicWall\u2019s SMA 100 series should read the company\u2019s advisory carefully and follow stopgap instructions for securing products before a fix is released. Chief among them:<\/p>\n<blockquote>\n<ol>\n<li>If you must continue operation of the SMA 100 Series appliance until a patch is available\n<ul>\n<li>Enable MFA. This is a *CRITICAL* step until the patch is available.<\/li>\n<li>Reset user passwords for accounts that utilized the SMA 100 series with 10.X firmware<\/li>\n<\/ul>\n<\/li>\n<li>If the SMA 100 series (10.x) is behind a firewall, block all access to the SMA 100 on the firewall;<\/li>\n<li>Shut down the SMA 100 series device (10.x) until a patch is available; or<\/li>\n<li>Load firmware version 9.x after a factory default settings reboot. <strong>*Please back up your 10.x settings*<\/strong>\n<ul>\n<li><strong>Important Note:<\/strong> Direct downgrade of Firmware 10.x to 9.x with settings intact is not supported. You must first reboot the device with factory defaults and then either load a backed up 9.x configuration or reconfigure the SMA 100 from scratch.<\/li>\n<li>Ensure that you follow multifactor authentication (MFA) best practice security guidance if you choose to install 9.x.<\/li>\n<li>SonicWall firewalls and SMA 1000 series appliances, as well as all respective VPN clients, are unaffected and remain safe to use.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/blockquote>\n<p><em>This post was updated to correct the description of the SMA 100.<\/em><\/p>\n<p> READ MORE <a href=\"https:\/\/packetstormsecurity.com\/news\/view\/31982\/Hackers-Are-Exploiting-A-Critical-Zero-Day-In-Devices-From-SonicWall.html\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>READ MORE HERE&#8230;<\/p>\n","protected":false},"author":2,"featured_media":39398,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[277],"tags":[7530],"class_list":["post-39397","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity-blogs","tag-headlinehackerflawzero-day"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hackers Are Exploiting A Critical Zero Day In Devices From SonicWall 2026 | ThreatsHub Cybersecurity News<\/title>\n<meta name=\"description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security &amp; Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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