CVE-2020-3134 is a denial-of-service vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) releases earlier than 13.0. An unauthenticated, remote attacker can exploit this by sending a crafted zip-compressed email attachment. This improper validation of zip files can trigger a restart of the content-scanning process, leading to a temporary DoS condition. The vulnerability has a CVSS score of 6.5 (Medium) with a low impact on integrity and availability, and no user interaction required. There is currently no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 13.0CPE matchmatch criteria | cpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
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