CVE-2018-0203 Other in Cisco Unity Connection

Medium 5.3 Published Updated

Unauthenticated remote attackers can exploit improper domain handling to send unsolicited email messages via the SMTP relay.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-0203?

CVE-2018-0203 is a medium-severity vulnerability in Cisco Unity Connection, published on 22 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-19

Which versions are affected by CVE-2018-0203?

It affects 1 product.

Products include Cisco Unity Connection.

How do I fix CVE-2018-0203?

No fix has been published for CVE-2018-0203 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-0203 being exploited?

There is no known exploitation of CVE-2018-0203 in the wild and no public exploit code.

All Cisco Unity Connection vulnerabilities

Sources

Also known as GHSA-g977-q8vq-h243.

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