CVE-2022-20664 Cisco Email Security Appliance and Cisco Secure Email and Web Manager Information Disclosure Vulnerability
Authenticated attackers can retrieve sensitive LDAP credentials from external authentication servers via the web management interface.
- 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-2022-20664?
CVE-2022-20664 is a high-severity vulnerability in Cisco Email Security Appliance, published on 15 Jun 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the web management interface of Cisco Secure Email and Web Manager, formerly Cisco Security Management Appliance (SMA), and Cisco Email Security Appliance (ESA) could allow an authenticated, remote attacker to retrieve sensitive information from a Lightweight Directory Access Protocol (LDAP) external authentication server connected to an affected device. This vulnerability is due to a lack of proper input sanitization while querying the external authentication server. An attacker could exploit this vulnerability by sending a crafted query through an external authentication web page. A successful exploit could allow the attacker to gain access to sensitive information, including user credentials from the external authentication server. To exploit this vulnerability, an attacker would need valid operator-level (or higher) credentials.
Which versions are affected by CVE-2022-20664?
It affects 2 products.
Products include Cisco Email Security Appliance, Cisco Secure Email and Web Manager.
How do I fix CVE-2022-20664?
No fix has been published for CVE-2022-20664 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-20664 being exploited?
There is no known exploitation of CVE-2022-20664 in the wild and no public exploit code.
Other vulnerabilities in Cisco Email Security Appliance
- CVE-2022-20798 Cisco Email Security Appliance and Cisco Secure Email and Web Manager External Authentication Bypass Vulnerability
- CVE-2015-6291 Denial of service in n/a
- CVE-2022-20960 Denial of service in Cisco Secure Email
- CVE-2018-0419 Security feature bypass in Email Security Appliance (ESA)
- CVE-2016-1480 Security feature bypass in Cisco AsyncOS through WSA10.0.0-000
Sources
Also known as GHSA-33hj-36q7-m72x.