Security News > 2019 > January > Critical Flaw in Cisco’s Email Security Appliance Enables ‘Permanent DoS’
![Critical Flaw in Cisco’s Email Security Appliance Enables ‘Permanent DoS’](/static/build/img/news/alt/managed-security-medium.jpg)
2019-01-09 22:33
A remote attacker could exploit the vulnerability simply by sending an email.
News URL
https://threatpost.com/cisco-critical-vulnerability-patch/140726/
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