CVE-2018-0203

Description

A vulnerability in the SMTP relay of Cisco Unity Connection could allow an unauthenticated, remote attacker to send unsolicited email messages, aka a Mail Relay Vulnerability. The vulnerability is due to improper handling of domain information in the affected software. An unauthenticated, remote attacker could exploit this vulnerability by sending crafted requests to the targeted application. A successful exploit could allow the attacker to send email messages to arbitrary addresses. Cisco Bug IDs: CSCvg62215.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.75% Top 30%
Vendor Advisory cisco.com
Affected: n/a Cisco Unity Connection
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/103142 vdb entry third party advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180221-cuc vendor advisory
http://www.securitytracker.com/id/1040413 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-0203?
CVE-2018-0203 has been scored as a medium severity vulnerability.
How to fix CVE-2018-0203?
To fix CVE-2018-0203, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-0203 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-0203 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0203?
CVE-2018-0203 affects n/a Cisco Unity Connection.
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