CVE-2021-1561 Cisco Secure Email and Web Manager Spam Quarantine Unauthorized Access Vulnerability

Medium 5.4 Published Updated

Authenticated attackers can bypass restrictions to modify spam quarantine settings and view other users' quarantined emails in Cisco Secure Email Manager.

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-2021-1561?

CVE-2021-1561 is a medium-severity missing authorization vulnerability in Cisco Content Security Management Appliance (SMA), published on 18 Aug 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the spam quarantine feature of Cisco Secure Email and Web Manager, formerly Cisco Security Management Appliance (SMA), could allow an authenticated, remote attacker to gain unauthorized access and modify the spam quarantine settings of another user. This vulnerability exists because access to the spam quarantine feature is not properly restricted. An attacker could exploit this vulnerability by sending malicious requests to an affected system. A successful exploit could allow the attacker to modify another user's spam quarantine settings, possibly disabling security controls or viewing email messages stored on the spam quarantine interfaces.

Weakness: CWE-287, CWE-302

Which versions are affected by CVE-2021-1561?

It affects 1 product.

Products include Cisco Secure Email and Web Manager.

How do I fix CVE-2021-1561?

No fix has been published for CVE-2021-1561 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-1561 being exploited?

There is no known exploitation of CVE-2021-1561 in the wild and no public exploit code.

Sources

Also known as GHSA-r2wc-g85m-hq39.

Is CVE-2021-1561 in your software?

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

Check your SBOMs for free