CVE-2023-20034 Hardcoded credentials in Cisco SD-WAN vManage

High 7.5 Published 27 Sep 2023 Updated 2 Aug 2024

An unauthenticated remote attacker can access the Elasticsearch database using static credentials to view sensitive configuration data.

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-2023-20034?

CVE-2023-20034 is a high-severity vulnerability in Cisco SD-WAN vManage, published on 27 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Elasticsearch database used in the of Cisco SD-WAN vManage software could allow an unauthenticated, remote attacker to access the Elasticsearch configuration database of an affected device with the privileges of the elasticsearch user. These vulnerability is due to the presence of a static username and password configured on the vManage. An attacker could exploit this vulnerability by sending a crafted HTTP request to a reachable vManage on port 9200. A successful exploit could allow the attacker to view the Elasticsearch database content. There are workarounds that address this vulnerability.

Weakness: CWE-798

Which versions are affected by CVE-2023-20034?

It affects 1 product.

Products include Cisco Sd-Wan.

How do I fix CVE-2023-20034?

No fix has been published for CVE-2023-20034 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-20034 being exploited?

There is no known exploitation of CVE-2023-20034 in the wild and no public exploit code.

Sources

Also known as GHSA-vph8-3839-qfq3.