CVE-2025-20337

For the latest discoveries in cyber research for the week of 17th November, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Cl0p’s Oracle E-Business Suite (CVE-2025-61882) zero-day campaign continues to expand. There are new confirmed breaches at The Washington Post, Logitech, Allianz UK, and GlobalLogic, as well as a newly listed but unconfirmed […]

The Amazon Threat Intelligence team has now disclosed an advanced persistent threat (APT) campaign that exploited vulnerabilities in Citrix systems and Cisco’s Identity Service Engine (ISE), allowing hackers to breach critical identity infrastructure even before the flaws were made publicly known. According to Amazon’s findings, attackers had exploited “insufficient input validation” in a public API […]

Amazon has seen a threat actor exploiting CVE-2025-20337 and CVE-2025-5777, two critical Cisco and Citrix vulnerabilities, as zero-days.

Amazon warns that an advanced threat actor exploited zero-days in Cisco ISE and Citrix NetScaler to deploy custom malware. Amazon’s threat intelligence researchers spotted an advanced threat actor exploiting two previously undisclosed zero-day flaws in Cisco Identity Service Engine (ISE) and Citrix NetScaler ADC to deliver custom malware. Attackers also exploited multiple undisclosed vulnerabilities. Amazon’s […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Cisco ISE and PaperCut NG/MF flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Cisco ISE and PaperCut NG/MF flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the descriptions for these flaws: This week, Cisco confirmed attempted exploitation in […]

For the latest discoveries in cyber research for the week of 28th July, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES The US Energy Department, including its National Nuclear Security Administration (NNSA), was reportedly breached as part of a Microsoft SharePoint vulnerability exploit. The breach was linked to a broader espionage campaign, that […]

One or more vulnerabilities affecting Cisco Identity Services Engine (ISE) are being exploited in the wild, Cisco has confirmed by updating the security advisory for the flaws. About the vulnerabilities The three vulnerabilities affect Cisco’s Identity Services Engine (ISE) – a network security policy and access control system for enterprises – and Cisco ISE Passive Identity Connector (ISE-PIC), which is a lightweight identity service that allows Cisco ISE to passively gather user identity information. CVE-2025-20281 … More →

Cisco says it is aware of attempted exploitation of critical ISE vulnerabilities leading to unauthenticated remote code execution.

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 […]

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Fortinet FortiWeb flaw CVE-2025-25257 exploited hours after PoC release Authorities released free decryptor for Phobos and […]

Cisco has dropped another maximum severity advisory detailing an unauthenticated remote code execution (RCE) flaw in its Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC). The networking equipment giant warned that the flaw, much similar to a critical bug it fixed last month, stems from insufficient input validation in a public API. “Cisco’s […]

Cisco warns of CVE-2025-20337, a critical ISE flaw (CVSS 10) allowing remote code execution with root privileges. Cisco addressed a critical vulnerability, tracked as CVE-2025-20337 (CVSS score of 10), in Identity Services Engine (ISE) and Cisco Identity Services Engine Passive Identity Connector (ISE-PIC). An attacker could trigger the vulnerability to execute arbitrary code on the […]

Cisco has released patches for multiple vulnerabilities, including a critical flaw in Cisco ISE that leads to remote code execution (RCE).

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