Cisco Bug: CSCvv91815 - Bypass URL Filtering by modifying HTML of email and inserting as text
Oct 05, 2020
- Cisco Email Security Appliance
Known Affected Releases
Symptom: When taking an email with a malicious URL and modifying the HTML of the message to include a different URL and then attaching the new HTML to the email as text, it is possible to bypass a catchall URL filtering policy for -10 to 10. Conditions: The appliance must have a catch all content filter to defang all URLS in an email with a score between -10 to 10.
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Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
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