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Tag: cisco

135 articles

Empty server room with rows of computer servers and networking equipment.

Cisco Email Flaw Exploited in Zero-Day Attacks

Cisco is urging customers to upgrade to a fixed software release after a critical vulnerability in its Secure Email Gateway was exploited in active zero-day attacks, allowing hackers to gain root access with just a malicious email. The flaw, scored 9.8 out of 10 on the CVSS scale, enables remote attackers to write files and execute commands with root privileges on the appliance operating system.

Analyst 207
Cisco Secure Email Gateway appliance on a rack with cables, hinting at vulnerability.

Cisco Discloses Active Attacks on Secure Email Gateway Flaw

Cisco is warning users of its Secure Email Gateway of an actively exploited flaw that could allow hackers to run commands as root, giving them total control of the system. This critical vulnerability, scored 9.8, is being targeted by attackers who are sending crafted email attachments to take advantage of the weakness.

Analyst 207
Secure email gateway device in a data center with ambient daylight.

Cisco Disrupts Zero-Day Attacks on Secure Email Gateway

Cisco is taking swift action to stop zero-day attacks on its Secure Email Gateway, recently discovering a vulnerability that allowed hackers to write arbitrary files and execute commands with root privileges. This critical flaw, tracked as CVE-2026-76519, was triggered by a simple malicious email attachment, making swift patching a top priority.

Analyst 207
Technicians work in a data center with rows of Cisco Nexus switches and neatly managed cables.

Cisco Discloses Critical Flaws in Nexus Switches

Cisco has uncovered five critical vulnerabilities in its Nexus switches that could let hackers run malicious code with root access or bring down entire networks, causing major disruptions. This security threat affects Nexus 3000 and 9000 Series switches, putting your network at risk of remote code execution and denial-of-service attacks.

Analyst 207
Technician looks concerned while examining laptop screen near network equipment rack.

Cisco SD-WAN Zero-Day Exploited in Active Attacks

Cisco is urging customers to upgrade to a fixed software release after a critical zero-day vulnerability in its Catalyst SD-WAN Manager was exploited in active attacks, allowing unauthenticated remote attackers to gain admin-level access. The company has patched the flaw, rated 9.8 in severity, and advises swift action to prevent further breaches.

Analyst 207
Network operations center with router configuration terminal and standard enterprise networking equipment.

Cisco SD-WAN Manager Flaw Exploited by Attackers

Cisco's SD-WAN Manager has a critical vulnerability that allows attackers to bypass authentication and access the Manager's API as an admin user without login credentials. This flaw, rated 9.8 out of 10 in severity, is being actively exploited, prompting Cisco to urge immediate upgrades to fixed releases.

Analyst 207
Network operations room with router, cables, and equipment under fluorescent lighting.

Cisco Discloses SD-WAN Zero-Day Exploited in Attacks

Cisco is urging organizations to act fast after discovering a critical zero-day vulnerability in its Catalyst SD-WAN Manager, which is already being exploited by attackers to gain administrative privileges. Upgrade to a fixed software release ASAP to protect your network from potential breaches.

Analyst 207
Network equipment and management consoles line a dimly lit operations center corridor.

Network Management Systems Targeted in Widespread Exploitation Efforts

In a recent surge of cyber threats, 158 security advisories were issued across 17 vendors, exposing 1,699 vulnerabilities, including 42 critical flaws that could be exploited remotely. This alarming trend highlights the growing risk to network management systems, with some vulnerabilities already added to the government's catalog of known threats.

Analyst 207
Network device on a rack with cables and wires against a neutral-colored wall.

Cisco Zero-Day Exploited in Active Attacks

Cisco is warning of a critical zero-day flaw in its Identity Services Engine (ISE) that's being actively exploited, allowing attackers to bypass authentication and gain unauthorized access with just a crafted request. This severe vulnerability, tracked as CVE-2026-76460, has been assigned a maximum CVSS score of 10.0.

Analyst 207
Rows of network equipment and servers in a data center aisle with a central Cisco-like device.

Cisco Discloses Second Actively Exploited Zero-Day Vulnerability

Cisco has disclosed a second actively exploited zero-day vulnerability, CVE-2026-76460, a maximum-severity flaw in its Identity Services Engine (ISE) that lets attackers bypass authentication and take full control of affected devices. This vulnerability is particularly alarming because it allows hackers to modify network access policies, extract sensitive credentials, and move undetected across the network.

Analyst 207
Empty network server room with rows of equipment racks and a single unoccupied workstation.

Cisco Discloses Zero-Day ISE Auth Bypass Under Active Exploitation

Cisco has uncovered a critical zero-day vulnerability, CVE-2026-76460, that lets hackers bypass authentication on its Identity Services Engine and Passive Identity Connector, and it's already being exploited by attackers. This flaw allows unauthorized access to affected devices with just a crafted request.

Analyst 207
Network device on a rack in a calm, mid-tone data center room.

Cisco Exposes Zero-Day Flaw in Identity Services Engine

Cisco has uncovered a critical zero-day flaw in its Identity Services Engine, scoring a maximum CVSS rating of 10.0 and allowing attackers to bypass authentication and gain root access with just a single crafted request. This severe vulnerability requires immediate attention, as it can be exploited remotely without any credentials or user interaction.

Analyst 207
Technicians work on computer servers and networking equipment in a brightly-lit data center.

Cisco Discloses Active Exploitation of ISE Flaw

Cisco warns that a critical API vulnerability, CVE-2026-76460, is under active exploitation, allowing attackers to bypass security and gain unauthorized access to devices with a simple crafted request. This maximum-severity flaw scores a perfect 10.0 on the CVSS scale, making it a high-risk threat that demands immediate attention.

Analyst 207
Network operations center with equipment and servers, and a single unoccupied laptop workstation in the foreground.

Cisco Discloses Actively Exploited Zero-Day in Identity Services Engine

Cisco has sounded the alarm on a critical zero-day flaw in its Identity Services Engine that's being actively exploited by attackers, allowing them to bypass authentication and gain unauthorized access. To stay safe, customers are urged to upgrade to a patched version ASAP.

Analyst 207
Rows of rack-mounted equipment in a network operations center with IT staff observing in the background.

Cisco Discloses Actively Exploited Zero-Day in Email Gateways

A critical zero-day vulnerability, CVE-2026-76461, is under active exploitation, allowing hackers to remotely execute commands as root on Cisco Secure Email Gateway appliances with just a simple email. This gaping security hole gives attackers total control of the gateway, putting your email security at risk.

Analyst 207
Rows of equipment racks and Cisco Secure Email Gateway appliances in a brightly-lit server room with daylight from tall…

Cisco Email Gateways Exploited by Malicious Emails

A single malicious email can wreak havoc on your Cisco Secure Email Gateway, thanks to a critical vulnerability (CVE-2026-76461) that allows hackers to gain root access with a 9.8 CVSS score - and patching is the only fix.

Analyst 207
Secure Email Gateway device on a rack in a dimly lit server room with IT staff member working in the background.

Cisco Discloses Zero-Day Exploited in Secure Email Gateway Attacks

Cisco has warned of a zero-day flaw in its Secure Email Gateway that allows attackers to run commands as root, prompting federal agencies to patch the vulnerability within just three days. This critical defect, tracked as CVE-2026-76461, lets hackers execute arbitrary commands with root privileges, putting systems at risk.

Analyst 207
Cisco Secure Email Gateway device centered on a network operations rack in a data center.

Cisco Email Gateway Flaw Exploited, Enables Root Command Execution

A critical Cisco email gateway flaw, CVE-2026-76461, with a near-perfect CVSS score of 9.8, is being actively exploited in the wild, allowing attackers to send a single crafted email and gain root command execution on vulnerable devices. This severe vulnerability stems from insufficient validation in AsyncOS email parsing, making it a pressing concern for Cisco Secure Email Gateway users.

Analyst 207
Technicians work on devices in a brightly-lit network operations center with rows of equipment racks and monitoring stations.

CISA Flags Exploited Cisco, Citrix, Fortinet Flaws Ahead of Federal Patch Deadline

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has sounded the alarm on three critical vulnerabilities in Cisco, Citrix, and Fortinet products, adding them to its list of Known Exploited Vulnerabilities - and federal agencies have just until September 12, 2026 to patch up. These flaws, including a severe CVE-2026-20079 with a CVSS score of 10.0, could leave systems exposed to serious threats if not addressed.

Analyst 207
Network equipment and firewall devices mounted on racks in an industrial-style corridor.

Cisco Secure FMC Flaw Exploited in Active Attacks

Hackers are actively exploiting a critical vulnerability in Cisco Secure Firewall Management Center (FMC) software, allowing them to bypass authentication and gain root access to vulnerable devices. This severe flaw, rated 10.0 on the CVSS scale, lets attackers execute scripts and commands remotely without logging in.

Analyst 207
Network switch on a rack with cables and devices nearby.

Cisco Discloses Critical Flaw in Nexus 9000 Switches

Cisco has uncovered a critical flaw in its Nexus 9000 switches, known as CVE-2026-20212, which could allow an unauthenticated attacker to remotely execute code as root. This vulnerability affects 10 specific models and has already been patched by the company.

Analyst 207
Diverse professionals gather around a large computer screen in a modern office space.

AI Skills Become Mandatory in Over Half of Cybersecurity Job Ads

The demand for AI skills in cybersecurity is skyrocketing, with over half of job postings now requiring AI expertise - a number that's doubled in just one year, from 14.2% to 28.5%. This seismic shift signals a fundamental change in the way cybersecurity teams operate, combining human oversight with machine automation.

Analyst 207
Diverse IT team monitors large screen display showing severity score chart.

Cisco Bug Severity Scores Spark Urgent Patching Calls

Cisco's bug severity scores are sounding alarm bells, with warnings rated as high as 10 out of 10 - a perfect score that's more commonly associated with Olympic gymnastics! It's time to take urgent action and patch those bugs ASAP.

Analyst 207
Cisco security appliance on a rack surrounded by networking equipment indoors.

Cisco Warns of Active Exploitation of VPN Flaw in ASA, FTD Software

Cisco warns that a high-severity VPN flaw, CVE-2026-20349, is being actively exploited, allowing attackers to send crafted HTTP requests that can cause affected devices to reload and disrupt operations. This denial-of-service vulnerability can be triggered remotely without authentication, making it a critical threat.

Analyst 207