CVE-2018-16793: microsoft exchange_server Server-Side Request Forgery (SSRF)

Vulnerability summary

CVE-2018-16793 is a high (CVSS 8.6) Server-Side Request Forgery (SSRF) vulnerability in microsoft exchange_server. EPSS estimates a 11.33% chance of exploitation in the next 30 days, higher than 95.9% of scored vulnerabilities. 3 public exploits are recorded.

Timeline

1. 21-09-2018
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

Rollup 18 for Microsoft Exchange Server 2010 SP3 and previous versions has an SSRF vulnerability via the username parameter in /owa/auth/logon.aspx in the OWA (Outlook Web Access) login page.

• CWE-918Server-Side Request Forgery (SSRF)The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.