Vulnerability Details : CVE-2022-20772
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.
Products affected by CVE-2022-20772
- Cisco » Email Security Appliance FirmwareVersions from including (>=) 13.5.1 and before (<) 14.0.3-015cpe:2.3:o:cisco:email_security_appliance_firmware:*:*:*:*:*:*:*:*
- Cisco » Email Security Appliance FirmwareVersions from including (>=) 14.3 and before (<) 14.3.0-023cpe:2.3:o:cisco:email_security_appliance_firmware:*:*:*:*:*:*:*:*
- Cisco » Email Security Appliance FirmwareVersions from including (>=) 14.1 and before (<) 14.2.1-015cpe:2.3:o:cisco:email_security_appliance_firmware:*:*:*:*:*:*:*:*
- Cisco » Secure Email And Web Manager FirmwareVersions from including (>=) 14.2 and before (<) 14.2.0-217cpe:2.3:o:cisco:secure_email_and_web_manager_firmware:*:*:*:*:*:*:*:*
- Cisco » Secure Email And Web Manager FirmwareVersions from including (>=) 14.3 and before (<) 14.3.0-115cpe:2.3:o:cisco:secure_email_and_web_manager_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-20772
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 46 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-20772
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
NIST | |
|
4.7
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N |
2.8
|
1.4
|
Cisco Systems, Inc. |
CWE ids for CVE-2022-20772
-
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
-
The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers.Assigned by: ykramarz@cisco.com (Secondary)
References for CVE-2022-20772
-
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ESA-HTTP-Inject-nvsycUmR
Cisco Email Security Appliance and Cisco Secure Email and Web Manager HTTP Response Header Injection Vulnerability
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ESA-HTTP-Inject-nvsycUmR
Vendor Advisory
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