Vulnerability Description
A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass content filters that are configured on an affected device. The vulnerability is due to improper handling of password-protected zip files. An attacker could exploit this vulnerability by sending a malicious file inside a crafted zip-compressed file to an affected device. A successful exploit could allow the attacker to bypass configured content filters that would normally drop the email.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Asyncos | < 13.5.2 |
| Cisco | Email Security Appliance C170 | - |
| Cisco | Email Security Appliance C190 | - |
| Cisco | Email Security Appliance C380 | - |
| Cisco | Email Security Appliance C390 | - |
| Cisco | Email Security Appliance C680 | - |
| Cisco | Email Security Appliance C690 | - |
| Cisco | Email Security Appliance C690X | - |
Related Weaknesses (CWE)
References
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/ciVendor Advisory
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/ciVendor Advisory
FAQ
What is CVE-2020-26082?
CVE-2020-26082 is a vulnerability with a CVSS score of 5.8 (MEDIUM). A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass content filters that are co...
How severe is CVE-2020-26082?
CVE-2020-26082 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-26082?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Asyncos, Cisco Email Security Appliance C170, Cisco Email Security Appliance C190, Cisco Email Security Appliance C380, Cisco Email Security Appliance C390.