CVE-2022-41082

Microsoft Exchange Server Remote Code Execution Vulnerability Recent assessments: zeroSteiner at January 10, 2023 2:58pm UTC reported: CVE-2022-41082, also known as ProxyNotShell is an authenticated RCE in Microsoft Exchange. ProxyNotShell actually combines CVE-2022-41082 and CVE-2022-41040 for t...

Acronis: mail.acronis.com is vulnerable to zero day vulnerability CVE-2022-41040

Hello Acronis team, Please run curl -ksL -m5 -o /dev/null -I -w "%httpcode" "https://mail.acronis.com/autodiscover/autodiscover.json?Email=autodiscover/[email protected]&Protocol=ActiveSync" curl -ksL -m5...

Microsoft Exchange Server Has a Zero-Day Problem

Plus: CIA failures allegedly got US informants killed, a former NSA worker is charged under the Espionage Act, and more...

Analyzing attacks using the Exchange vulnerabilities CVE-2022-41040 and CVE-2022-41082

October 1, 2022 update – Added information about Exploit:Script/ExchgProxyRequest.A, Microsoft Defender AV’s robust detection for exploit behavior related to this threat. We also removed a section on MFA as a mitigation, which was included in a prior version of this blog as standard guidance...

Qualys Response to ProxyNotShell Microsoft Exchange Server Zero-Day Threat Using Qualys Cloud Platform

On September 29, 2022, active attacks against Microsoft Exchange were reported by Vietnamese cybersecurity company GTSC. The researcher at GTSC reported two critical vulnerabilities now named “ProxyNotShell” in Microsoft Exchange Server via two advisories issued by Zero Day Initiative:...

Microsoft Exchange Server Vulnerabilities CVE-2022-41040 and CVE-2022-41082

On September 29, Microsoft security researchers announced two new zero-day vulnerabilities, CVE-2022-41040 and CVE-2022-41082 affecting Microsoft Exchange Server. The vulnerabilities allow remote code execution RCE when used in tandem. It is important to note that both require authenticated acces...

[updated]Two new Exchange Server zero-days in the wild

Microsoft has issued some customer guidance as it investigates yes, more reported vulnerabilities in Microsoft Exchange Server, affecting the 2013, 2016, and 2019 versions of the software. The company says it "is aware of limited targeted attacks using the two vulnerabilities to get into users...

Go Update iOS, Chrome, and HP Computers to Fix Serious Flaws

Plus: WhatsApp plugs holes that could be used for remote execution attacks, Microsoft patches a zero-day vulnerability, and more...

Unpatched zero-day vulnerabilities of Microsoft Exchange Server

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary Microsoft Exchange Server has two unpatched zero-day vulnerabilities. One of them is a Server-Side Request Forgery SSRF vulnerabilityCVE-2022-41040, while the second is a remote code execution RCE...

Sophos Zero-day vulnerability becomes target for attackers

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary A zero-day vulnerability in the User Portal and WebAdmin of Sophos Firewall has been tracked as CVE-2022-3236. This vulnerability is been used by some unknown attackers to target organizations in...

Microsoft Confirms 2 New Exchange Zero-Day Flaws Being Used in the Wild

Microsoft officially disclosed it investigating two zero-day security vulnerabilities impacting Exchange Server 2013, 2016, and 2019 following reports of in-the-wild exploitation. "The first vulnerability, identified as CVE-2022-41040, is a Server-Side Request Forgery SSRF vulnerability, while th...

Microsoft Exchange サーバーのゼロデイ脆弱性報告に関するお客様向けガイダンス

本ブログは、Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Serverの抄訳版です。最新の情報は原文を参照してくだ...

Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server

November 8, 2022 update - Microsoft released security updates for CVE-2022-41040 and CVE-2022-41082. We recommend that customers protect their organizations by applying the updates immediately to affected systems. The options described in the Mitigations section are no longer recommended. For mor...

Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server

November 8, 2022 update - Microsoft released security updates for CVE-2022-41040 and CVE-2022-41082. We recommend that customers protect their organizations by applying the updates immediately to affected systems. The options described in the Mitigations section are no longer recommended. For mor...

Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server

November 8, 2022 update - Microsoft released security updates for CVE-2022-41040 and CVE-2022-41082. We recommend that customers protect their organizations by applying the updates immediately to affected systems. The options described in the Mitigations section are no longer recommended. For mor...

WARNING: New Unpatched Microsoft Exchange Zero-Day Under Active Exploitation

Security researchers are warning of previously undisclosed flaws in fully patched Microsoft Exchange servers being exploited by malicious actors in real-world attacks to achieve remote code execution on affected systems. The advisory comes from Vietnamese cybersecurity company GTSC, which...

Vulnerabilities found in GE Cimplicity

The Zero Day Initiative has published information about vulnerabilities in GE's Cimplicity have been published. The vulnerabilities occur during the processing of CIM files. Due to lack of proper initialization of the pointer, a malicious party can execute arbitrary code execute arbitrary code...

Microsoft Releases Guidance on Zero-Day Vulnerabilities in Microsoft Exchange Server

Microsoft has released Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server. According to the blog post, “Microsoft is aware of limited targeted attacks using the two vulnerabilities to get into users’ systems.” The two vulnerabilities are CVE-2022-41040 and...

CVE-2022-41040 and CVE-2022-41082: Unpatched Zero-Day Vulnerabilities in Microsoft Exchange Server

On Thursday, September 29, a Vietnamese security firm called GTSC published information and IOCs on what they claimed was a pair of unpatched Microsoft Exchange Server vulnerabilities being used in attacks on their customers’ environments dating back to early August 2022. The impact of...

Qualys Threat Research Thursday

Welcome to the second edition of the Qualys Research Team’s “Threat Research Thursday”, where we collect and curate notable new tools, techniques, procedures, threat intelligence, cybersecurity news, malware attacks, and more. Feedback on our first edition, Introducing Qualys Threat Research...