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Cisco confirms active exploitation of ISE and ISE-PIC flaws

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SharePoint under fire: new ToolShell attacks target enterprises

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CrushFTP zero-day actively exploited at least since July 18

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Hardcoded credentials found in HPE Aruba Instant On Wi-Fi devices

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MuddyWater deploys new DCHSpy variants amid Iran-Israel conflict

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U.S. CISA urges to immediately patch Microsoft SharePoint flaw adding it to its Known Exploited Vulnerabilities catalog

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Microsoft issues emergency patches for SharePoint zero-days exploited in "ToolShell" attacks

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SharePoint zero-day CVE-2025-53770 actively exploited in the wild

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Singapore warns China-linked group UNC3886 targets its critical infrastructure

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U.S. CISA adds Fortinet FortiWeb flaw to its Known Exploited Vulnerabilities catalog

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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 54

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Security Affairs newsletter Round 533 by Pierluigi Paganini – INTERNATIONAL EDITION

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Radiology Associates of Richmond data breach impacts 1.4 million people

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Fortinet FortiWeb flaw CVE-2025-25257 exploited hours after PoC release

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Authorities released free decryptor for Phobos and 8base ransomware

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Anne Arundel Dermatology data breach impacts 1.9 million people

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5 Features Every AI-Powered SOC Platform Needs in 2025

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Broadcom patches critical VMware flaws exploited at Pwn2Own Berlin 2025

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Stormous Ransomware gang targets North Country HealthCare, claims 600K patient data stolen

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Hacking

Pierluigi Paganini July 22, 2025
Cisco confirms active exploitation of ISE and ISE-PIC flaws

Cisco warns of active exploits targeting Identity Services Engine (ISE) and ISE-PIC flaws, first observed in July 2025. Cisco confirmed attempted exploitation in the wild of recently disclosed ISE and ISE-PIC flaws (CVE-2025-20281, CVE-2025-20282, CVE-2025-20337), updating its advisory after detecting attacks in July 2025. “Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE […]

Pierluigi Paganini July 22, 2025
SharePoint under fire: new ToolShell attacks target enterprises

While SentinelOne did not attribute the attack to a specific threat actor, The Washington Post linked it to China-nexus acors. On July 19, Microsoft confirmed active exploitation of a zero-day vulnerability, tracked as CVE-2025-53770 in on-prem SharePoint Servers. The IT giant issued emergency patches for SharePoint Subscription Edition and 2019, with 2016 updates pending. Microsoft […]

Pierluigi Paganini July 22, 2025
CrushFTP zero-day actively exploited at least since July 18

Hackers exploit CrushFTP zero-day, tracked as CVE-2025-54309, to gain admin access via HTTPS when DMZ proxy is off. Threat actors are exploiting a zero-day vulnerability, tracked as CVE-2025-54309 (CVSS score of 9.0), in the managed file transfer software CrushFTP to gain administrative privileges on vulnerable servers via HTTPS. CrushFTP warned of a zero-day that has […]

Pierluigi Paganini July 22, 2025
Hardcoded credentials found in HPE Aruba Instant On Wi-Fi devices

Hardcoded credentials in HPE Aruba Instant On Wi-Fi devices, let attackers to bypass authentication and access the web interface. HPE disclosed hardcoded credentials in Aruba Instant On Wi-Fi devices that allow attackers to bypass login and access the web interface. The flaw tracked as CVE-2025-37103 (CVSS score of 9.8) impacts devices running firmware version 3.2.0.1 […]

Pierluigi Paganini July 21, 2025
MuddyWater deploys new DCHSpy variants amid Iran-Israel conflict

Iran-linked APT MuddyWater is deploying new DCHSpy spyware variants to target Android users amid the ongoing conflict with Israel. Lookout researchers observed Iran-linked APT MuddyWater  (aka SeedWorm, TEMP.Zagros, and Static Kitten) is deploying a new version of the DCHSpy Android spyware in the context of the Israel-Iran conflict. The first MuddyWater campaign was observed in late 2017, when the APT group targeted entities in […]

Pierluigi Paganini July 21, 2025
U.S. CISA urges to immediately patch Microsoft SharePoint flaw adding it to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Microsoft SharePoint flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Microsoft SharePoint flaw, tracked as CVE-2025-53770 (“ToolShell”) (CVSS score of 9.8), to its Known Exploited Vulnerabilities (KEV) catalog. This week, Microsoft released emergency SharePoint updates for two zero-day flaws, tracked as CVE-2025-53770 and CVE-2025-53771, […]

Pierluigi Paganini July 21, 2025
Microsoft issues emergency patches for SharePoint zero-days exploited in “ToolShell” attacks

Microsoft patched an exploited SharePoint flaw (CVE-2025-53770) and disclosed a new one, warning of ongoing attacks on on-prem servers. Microsoft released emergency SharePoint updates for two zero-day flaws, tracked as CVE-2025-53770 and CVE-2025-53771, exploited since July 18 in attacks dubbed “ToolShell.” Both vulnerabilities only impact on-premises SharePoint Servers, threat actors could chain them for unauthenticated, […]

Pierluigi Paganini July 21, 2025
SharePoint zero-day CVE-2025-53770 actively exploited in the wild

Microsoft warns of ongoing active exploitation of a SharePoint zero-day vulnerability, tracked as CVE-2025-53770. Microsoft warns of a SharePoint zero-day vulnerability, tracked as CVE-2025-53770 (CVSS score of 9.8), which is under active exploitation. Unfortunately, the flaw has yet to be addressed. The vulnerability is a deserialization of untrusted data in on-premises Microsoft SharePoint Server, an […]

Pierluigi Paganini July 20, 2025
Singapore warns China-linked group UNC3886 targets its critical infrastructure

Singapore says China-linked group UNC3886 targeted its critical infrastructure by hacking routers and security devices. Singapore accused China-linked APT group UNC3886 of targeting its critical infrastructure. UNC3886 is a sophisticated China-linked cyber espionage group that targets network devices and virtualization technologies using zero-day exploits. Its primary focus is on defense, technology, and telecommunications sectors in […]

Pierluigi Paganini July 20, 2025
U.S. CISA adds Fortinet FortiWeb flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Fortinet FortiWeb flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Fortinet FortiWeb flaw, tracked as CVE-2025-25257, to its Known Exploited Vulnerabilities (KEV) catalog. Hackers began exploiting the critical Fortinet FortiWeb flaw CVE-2025-25257 (CVSS score of 9.6) on the same day a proof-of-concept (PoC) exploit […]

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    recent articles

    Cisco confirms active exploitation of ISE and ISE-PIC flaws

    Hacking / July 22, 2025

    SharePoint under fire: new ToolShell attacks target enterprises

    Hacking / July 22, 2025

    CrushFTP zero-day actively exploited at least since July 18

    Hacking / July 22, 2025

    Hardcoded credentials found in HPE Aruba Instant On Wi-Fi devices

    Security / July 22, 2025

    MuddyWater deploys new DCHSpy variants amid Iran-Israel conflict

    APT / July 21, 2025

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    pierluigi.paganini@securityaffairs.co

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