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Mandiant detailed the incident in a blog post Wednesday, but it’s unclear who was behind it or if they managed to get broad visibility into the victim’s internal traffic. The post Malicious hackers exploit Cisco zero-day for highest access level at communications service provider appeared first on CyberScoop.
Threat actors have begun to exploit a recently disclosed critical security flaw impacting Cisco Unified Communications Manager (Unified CM) and Unified Communications Manager Session Management Edition (Unified CM SME)
Cisco has patched a bug in Unified Communications Manager that lets an unauthenticated attacker on the network write files to the box and, from there, climb to root
Cisco patched a critical Unified CM flaw with public PoC code that allows unauthenticated attackers to launch SSRF attacks remotely. Cisco has addressed a high-severity vulnerability, tracked as CVE-2026-20230, affecting Unified CM and Unified CM SME. The flaw, caused by improper validation of certain HTTP requests, allows a remote attacker without authentication to perform server-side […]
Cisco has released security updates to patch a critical-severity Unified Communications Manager (Unified CM) flaw that allows attackers to gain root privileges. [...]
Cisco has rolled out updates for a maximum-severity security flaw impacting Secure Workload that could allow an unauthenticated, remote attacker to access sensitive data
Monday opens with a trust problem. A mail server flaw is under active use. A network control system was targeted. Trusted packages were poisoned. A fake model page pushed a stealer. Then came the familiar ransom claim: the data was returned and deleted
The U.S.Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a newly disclosed vulnerability impacting Cisco Catalyst SD-WAN Controller to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to remediate the issue by May 17, 2026
Cisco's Jeetu Patel on How Machine-Speed Threats Drive Need for AI-Led SecurityCisco's Jeetu Patel explains how AI models are compressing exploit timelines to minutes, forcing a shift to machine-speed defense, real-time enforcement and deeper ecosystem collaboration to secure critical infrastructure and stay ahead of adversaries.
A large-scale credential harvesting operation has been observed exploiting the React2Shell vulnerability as an initial infection vector to steal database credentials, SSH private keys, Amazon Web Services (AWS) secrets, shell command history, Stripe API keys, and GitHub tokens at scale
Here's where you ought to spend your security billable hours budget this year Strengthen your MFA policies, double-down on anti-phishing training, and for Jobs' sake, patch all your vulns right away. The past year of intelligence collected by Cisco's Talos threat hunters suggests that attackers are moving faster to exploit vulns, and fooling more staff than ever into giving up their credentials. …
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has urged government agencies to apply patches for two security flaws impacting Synacor Zimbra Collaboration Suite (ZCS) and Microsoft Office SharePoint, stating they have been actively exploited in the wild
Interlock's post-exploit toolkit exposed Ransomware criminals exploited CVE-2026-20131, a maximum-severity bug in Cisco Secure Firewall Management Center software, as a zero-day vulnerability more than a month before Cisco patched the hole, according to Amazon security boss CJ Moses.…
The Interlock ransomware gang has been exploiting a maximum severity remote code execution (RCE) vulnerability in Cisco's Secure Firewall Management Center (FMC) software in zero-day attacks since late January. [...]
Amazon Threat Intelligence is warning of an active Interlock ransomware campaign that's exploiting a recently disclosed critical security flaw in Cisco Secure Firewall Management Center (FMC) Software
CISA issued urgent directive as attackers exploit Cisco SD-WAN flaw granting admin access to networks
A threat actor likely aligned with China has been observed targeting critical infrastructure sectors in North America since at least last year
Cisco Fixes ISE Bug; HPE OneView Under Fire; Exploit Code Drops for n8n FlawThe new year is off to a fresh start on the vulnerability and exploit alert front: Cisco has patched a critical Identity Services Engine; cybersecurity officials warn that an HPE OneView vulnerability is being actively exploited; and proof-of-concept exploits drop for n8n automation software.
No reports of active exploitation … yet Cisco patched a bug in its Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) products that allows remote attackers with admin-level privileges to access sensitive information - and warned that a public, proof-of-concept exploit for the flaw exists online.…
Cisco has released updates to address a medium-severity security flaw in Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) with a public proof-of-concept (PoC) exploit