CVE-2021-1516 Information disclosure in Cisco Web Security Appliance (WSA)

Medium 4.3 Published Updated

Authenticated attackers can view sensitive passwords in HTTP requests on Cisco security appliances, exposing credentials to those with network access.

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

What is CVE-2021-1516?

CVE-2021-1516 is a medium-severity vulnerability in Cisco Email Security Appliance, published on 6 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Content Security Management Appliance (SMA), Cisco Email Security Appliance (ESA), and Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability exists because confidential information is included in HTTP requests that are exchanged between the user and the device. An attacker could exploit this vulnerability by looking at the raw HTTP requests that are sent to the interface. A successful exploit could allow the attacker to obtain some of the passwords that are configured throughout the interface.

Weakness: CWE-540

Which versions are affected by CVE-2021-1516?

It affects 4 products.

Products include Cisco Content Security Management Appliance, Cisco Email Security Appliance, Cisco Ironport Web Security Appliance, Cisco Web Security Appliance.

How do I fix CVE-2021-1516?

No fix has been published for CVE-2021-1516 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-1516 being exploited?

There is no known exploitation of CVE-2021-1516 in the wild and no public exploit code.

All Cisco Email Security Appliance vulnerabilities

Sources

Also known as GHSA-qc7x-2qxv-wrwr.

Is CVE-2021-1516 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free