Zip Decompression Vulnerability in Cisco Email Security Appliance
CVE-2020-26082

5.8MEDIUM

Key Information:

Vendor

Cisco
Status
Cisco Secure Email
Vendor
CVE Published:
4 August 2023

Badges

👾 Exploit Exists

What is CVE-2020-26082?

A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance allows attackers to bypass email content filters. This issue arises from improper handling of password-protected zip files. By sending a malicious file in a specially crafted zip-compressed package, an unauthenticated, remote attacker can exploit this flaw, enabling them to evade security measures that would typically block harmful emails.

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Deploy the Patch

Affected Version(s)

Cisco Secure Email

References

https://sec.cloudapps.cisco.com/security/center/content/C...

CVSS V3.1

Score:
5.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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