CVE-2022-20772 Other in Cisco Secure Email
Unauthenticated remote attackers can inject malicious HTTP headers to split responses, potentially modifying data or bypassing security controls in Cisco Email Security appliances.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-20772?
CVE-2022-20772 is a medium-severity vulnerability in Cisco Secure Email, published on 3 Nov 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability in Cisco Email Security Appliance (ESA) and Cisco Secure Email and Web Manager could allow an unauthenticated, remote attacker to conduct an HTTP response splitting attack. This vulnerability is due to the failure of the application or its environment to properly sanitize input values. An attacker could exploit this vulnerability by injecting malicious HTTP headers, controlling the response body, or splitting the response into multiple responses.
Which versions are affected by CVE-2022-20772?
It affects 2 products.
Products include Cisco Email Security Appliance Firmware, Cisco Secure Email and Web Manager Firmware.
How do I fix CVE-2022-20772?
No fix has been published for CVE-2022-20772 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-20772 being exploited?
There is no known exploitation of CVE-2022-20772 in the wild and no public exploit code.
Other vulnerabilities in Cisco Secure Email
- CVE-2016-6406 Auth bypass in n/a
- CVE-2018-15453 Cisco Email Security Appliance Memory Corruption Denial of Service Vulnerability
- CVE-2017-6671 Security feature bypass in Cisco Email Security Appliance
- CVE-2016-6458 Security feature bypass in Cisco AsyncOS 10.0.0-125 and 9.7.1-066
- CVE-2019-12706 Cisco Email Security Appliance Filter Bypass Vulnerability
Sources
Also known as GHSA-9p6x-p535-c54c.