Vulnerability identifier: #VU25484
Vulnerability risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Cisco AsyncOS for Cisco Email Security Appliance
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Cisco Content Security Management Appliance
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists within the email message filtering feature due to insufficient input validation of email attachments. A remote attacker can send an email message with a crafted attachment through an affected
device and cause a denial of service condition on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco AsyncOS for Cisco Email Security Appliance: 11.0 - 12.0
Cisco Content Security Management Appliance: 11.0 - 12.0
External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200219-esa-sma-dos
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.