0-day

Fortinet fixes FortiOS zero-day exploited by attackers for months (CVE-2024-55591)

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Fortinet fixes FortiOS zero-day exploited by attackers for months (CVE-2024-55591) 2025-01-14 at 19:21 By Zeljka Zorz Fortinet has patched an authentication bypass vulnerability (CVE-2024-55591) affecting its FortiOS firewalls and FortiProxy web gateways that’s being exploited by attackers to compromise publicly-exposed FortiGate firewalls. While Fortinet acknowledged in-the-wild exploitation in the accompanying security advisory, they did share […]

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UK domain registry Nominet breached via Ivanti zero-day

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UK domain registry Nominet breached via Ivanti zero-day 2025-01-13 at 22:17 By Zeljka Zorz The number of internet-facing Ivanti Connect Secure instances vulnerable to attack via CVE-2025-0282 has fallen from 2,048 to 800 in the last four days, the Shadowserver Foundation shared today. In the meantime, UK domain registry Nominet became the first publicly known […]

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Ivanti Connect Secure zero-day exploited since mid-December (CVE-2025-0282)

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Ivanti Connect Secure zero-day exploited since mid-December (CVE-2025-0282) 2025-01-09 at 14:23 By Zeljka Zorz The zero-day attacks leveraging the Ivanti Connect Secure (ICS) vulnerability (CVE-2025-0282) made public on Wednesday were first spotted in mid-December 2024, Mandiant researchers have shared. It’s still impossible to say whether they were mounted by a single threat actor, but the […]

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Serbian government used Cellebrite to unlock phones, install spyware

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Serbian government used Cellebrite to unlock phones, install spyware 2024-12-16 at 20:19 By Zeljka Zorz Serbian police and intelligence officers used Cellebrite forensic extraction software to unlock journalists’ and activists’ phones and install previously unknown Android spyware called NoviSpy, a new Amnesty International report claims. The unlocking was made possible through exploitation of a zero-day […]

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Microsoft fixes exploited zero-day (CVE-2024-49138)

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Microsoft fixes exploited zero-day (CVE-2024-49138) 2024-12-10 at 23:04 By Zeljka Zorz On December 2024 Patch Tuesday, Microsoft resolved 71 vulnerabilities in a variety of its products, including a zero-day (CVE-2024-49138) that’s been exploited by attackers in the wild to execute code with higher privileges. CVE-2024-49138 exploited by attackers CVE-2024-49138 stems from a heap-based buffer overflow […]

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Mitel MiCollab zero-day and PoC exploit unveiled

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Mitel MiCollab zero-day and PoC exploit unveiled 2024-12-05 at 16:32 By Zeljka Zorz A zero-day vulnerability in the Mitel MiCollab enterprise collaboration suite can be exploited to read files containing sensitive data, watchTowr researcher Sonny Macdonald has disclosed, and followed up by releasing a proof-of-concept (PoC) exploit that chains together this zero-day file read vulnerability […]

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RomCom hackers chained Firefox and Windows zero-days to deliver backdoor

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RomCom hackers chained Firefox and Windows zero-days to deliver backdoor 2024-11-26 at 12:18 By Zeljka Zorz Russia-aligned APT group RomCom was behind attacks that leveraged CVE-2024-9680, a remote code execution flaw in Firefox, and CVE-2024-49039, an elevation of privilege vulnerability in Windows Task Scheduler, as zero-days earlier this year. “Chaining together two zero-day vulnerabilities armed […]

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Apple fixes 2 zero-days exploited to breach macOS systems (CVE-2024-44309, CVE-2024-44308)

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Apple fixes 2 zero-days exploited to breach macOS systems (CVE-2024-44309, CVE-2024-44308) 2024-11-20 at 12:50 By Zeljka Zorz Apple has released emergency security updates for macOS Sequoia that fix two zero-day vulnerabilities (CVE-2024-44309, CVE-2024-44308) that “may have been actively exploited on Intel-based Mac systems”. About CVE-2024-44309 and CVE-2024-44308 CVE-2024-44309 affects WebKit, the browser engine used in […]

Apple fixes 2 zero-days exploited to breach macOS systems (CVE-2024-44309, CVE-2024-44308) Read More »

Attackers are exploiting 2 zero-days in Palo Alto Networks firewalls (CVE-2024-0012, CVE-2024-9474)

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Attackers are exploiting 2 zero-days in Palo Alto Networks firewalls (CVE-2024-0012, CVE-2024-9474) 2024-11-18 at 17:33 By Zeljka Zorz Palo Alto Networks has released fixes for two vulnerabilities (CVE-2024-0012 and CVE-2024-9474) in its next-generation firewalls that have been exploited by attackers as zero-days. About the vulnerabilities (CVE-2024-0012, CVE-2024-9474) CVE-2024-0012 stems from missing authentication for a critical […]

Attackers are exploiting 2 zero-days in Palo Alto Networks firewalls (CVE-2024-0012, CVE-2024-9474) Read More »

Zero-days dominate top frequently exploited vulnerabilities

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Zero-days dominate top frequently exploited vulnerabilities 2024-11-14 at 07:03 By Mirko Zorz A joint report by leading cybersecurity agencies from the U.S., UK, Canada, Australia, and New Zealand has identified the most commonly exploited vulnerabilities of 2023. Zero-day vulnerabilities on the rise The advisory highlights that malicious cyber actors increasingly targeted zero-day vulnerabilities, posing significant […]

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Microsoft fixes actively exploited zero-days (CVE-2024-43451, CVE-2024-49039)

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Microsoft fixes actively exploited zero-days (CVE-2024-43451, CVE-2024-49039) 2024-11-12 at 23:03 By Zeljka Zorz November 2024 Patch Tuesday is here, and Microsoft has dropped fixes for 89 new security issues in its various products, two of which – CVE-2024-43451 and CVE-2024-49039 – are actively exploited by attackers. The exploited vulnerabilities (CVE-2024-43451, CVE-2024-49039) CVE-2024-43451 is yet another […]

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Patching problems: The “return” of a Windows Themes spoofing vulnerability

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Patching problems: The “return” of a Windows Themes spoofing vulnerability 2024-10-29 at 12:18 By Zeljka Zorz Despite two patching attempts, a security issue that may allow attackers to compromise Windows user’s NTLM (authentication) credentials via a malicious Windows themes file still affects Microsoft’s operating system, 0patch researchers have discovered. The path to discovery The story […]

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Fortinet FortiManager flaw exploited in zero-day attacks (CVE-2024-47575)

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Fortinet FortiManager flaw exploited in zero-day attacks (CVE-2024-47575) 2024-10-24 at 12:18 By Zeljka Zorz Fortinet has finally made public information about CVE-2024-47575, a critical FortiManager vulnerability that attackers have exploited as a zero-day. About CVE-2024-47575 CVE-2024-47575 is a vulnerability stemming from missing authentication for a critical function in FortiManager’s fgfmd daemon. Remote, unauthenticated attackers could […]

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Defenders must adapt to shrinking exploitation timelines

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Defenders must adapt to shrinking exploitation timelines 2024-10-16 at 15:16 By Zeljka Zorz A new report from Mandiant reveals that the average time-to-exploit vulnerabilities before or after a patch is released has plunged to just five days in 2023, down from 32 days in 2021 in 2022. One reason for this is the fact that, […]

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Microsoft patches two zero-days exploited in the wild (CVE-2024-43573, CVE-2024-43572)

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Microsoft patches two zero-days exploited in the wild (CVE-2024-43573, CVE-2024-43572) 2024-10-08 at 22:49 By Zeljka Zorz For October 2024 Patch Tuesday, Microsoft has released fixes for 117 security vulnerabilities, including two under active exploitation: CVE-2024-43573, a spoofing bug affecting the Windows MSHTML Platform, and CVE-2024-43572, a remote code execution flaw in the Microsoft Management Console […]

Microsoft patches two zero-days exploited in the wild (CVE-2024-43573, CVE-2024-43572) Read More »

Microsoft confirms second 0-day exploited by Void Banshee APT (CVE-2024-43461)

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Microsoft confirms second 0-day exploited by Void Banshee APT (CVE-2024-43461) 2024-09-16 at 15:46 By Zeljka Zorz CVE-2024-43461, a spoofing vulnerability affecting Windows MSHTML – a software component used by various apps for rendering render web pages on Windows – “was exploited as a part of an attack chain relating to CVE-2024-38112, prior to July 2024,” […]

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Microsoft fixes 4 exploited zero-days and a code defect that nixed earlier security fixes

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Microsoft fixes 4 exploited zero-days and a code defect that nixed earlier security fixes 2024-09-10 at 22:46 By Zeljka Zorz September 2024 Patch Tuesday is here and Microsoft has delivered 79 fixes, including those for a handful of zero-days (CVE-2024-38217, CVE-2024-38226, CVE-2024-38014, CVE-2024-43461) exploited by attackers in the wild, and a Windows 10 code defect […]

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Versa Director zero-day exploited to compromise ISPs, MSPs (CVE-2024-39717)

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Versa Director zero-day exploited to compromise ISPs, MSPs (CVE-2024-39717) 2024-08-27 at 19:01 By Zeljka Zorz Advanced, persistent attackers have exploited a zero-day vulnerability (CVE-2024-39717) in Versa Director to compromise US-based managed service providers with a custom-made web shell dubbed VersaMem by the researchers. The malware harvests credentials enabling the attackers to access the providers’ downstream […]

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New Chrome zero-day actively exploited, patch quickly! (CVE-2024-7971)

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New Chrome zero-day actively exploited, patch quickly! (CVE-2024-7971) 2024-08-22 at 12:01 By Zeljka Zorz A new Chrome zero-day vulnerability (CVE-2024-7971) exploited by attackers in the wild has been fixed by Google. About CVE-2024-7971 CVE-2024-7971 is a high-severity vulnerability caused by a type confusion weakness in V8, the open-source JavaScript and WebAssembly engine developed by Google […]

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0-day in Windows driver exploited by North Korean hackers to deliver rootkit (CVE-2024-38193)

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0-day in Windows driver exploited by North Korean hackers to deliver rootkit (CVE-2024-38193) 2024-08-20 at 16:01 By Zeljka Zorz CVE-2024-38193, an actively exploited zero-day that Microsoft patched earlier this month, has been leveraged by North Korean hackers to install a rootkit on targets’ computers, Gen Digital researchers have revealed. About CVE-2024-38193 CVE-2024-38193 is a use-after-free […]

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