#VU53728 Information exposure through an error message in Elastic APM .NET Agent - CVE-2021-22143
Published: June 2, 2021
Vulnerability identifier: #VU53728
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-22143
CWE-ID: CWE-209
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Elastic APM .NET Agent
Elastic APM .NET Agent
Software vendor:
Elastic Stack
Elastic Stack
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to Elastic APM .NET Agent leaks sensitive HTTP header information when logging the details during an application error. A remote attacker can intercept traffic sent to the APM server and gain access to potentially sensitive information, sent via HTTP headers.
Remediation
Install updates from vendor's website.