High-Severity Vulnerabilities Patched by Cisco, Atlassian

High-Severity Vulnerabilities Patched by Cisco, Atlassian

Cisco and Atlassian released critical patches for multiple high-severity vulnerabilities affecting their respective products, many of which could lead to DoS conditions. These security updates are essential for preventing potential exploitation and ensuring system stability. #Cisco #Atlassian #Meraki #ClamAV #Jira #Confluence

Keypoints

  • Cisco addressed a high-severity DoS vulnerability in Meraki devices’ VPN service (CVE-2025-20271).
  • A flaw in UDF processing in ClamAV could allow attackers to cause DoS via crafted files (CVE-2025-20234).
  • Atlassian patched five vulnerabilities across Bamboo, Bitbucket, Confluence, Crowd, and Jira products.
  • All updates prevent potential exploitation of remote DoS, path traversal, and authorization flaws.
  • Users are strongly advised to apply patches promptly to mitigate risks, even without reports of active exploitation.

Read More: https://www.securityweek.com/high-severity-vulnerabilities-patched-by-cisco-atlassian/