Name: CVE-2021-26855: Server-Side Request Forgery (SSRF)
Published: 2021-03-02T00:00:00.000Z
Keywords: CVE, CVE-2021-26855, CWE-918, Exploited in the Wild, CISA KEV Exploit, Rapid7 Critical, Metasploit Module, Used with Ransomware, CVSS 9.1, EPSS 0.99999, CISA KEV

Microsoft Exchange Server Remote Code Execution Vulnerability

CVSS Details

CVSS 3.1 Base Score: 9.1
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Microsoft Exchange	View advisory ↗View advisory ↗	microsoft-exchange-exchange_server_2016_CU10-kb5000871microsoft-exchange-exchange_server_2016_CU11-kb5000871microsoft-exchange-exchange_server_2016_CU12-kb5000871microsoft-exchange-exchange_server_2016_CU13-kb5000871microsoft-exchange-exchange_server_2016_CU14-kb5000871microsoft-exchange-exchange_server_2016_CU15-kb5000871microsoft-exchange-exchange_server_2016_CU16-kb5000871microsoft-exchange-exchange_server_2016_CU17-kb5000871microsoft-exchange-exchange_server_2016_CU18-kb5000871microsoft-exchange-exchange_server_2016_CU19-kb5000871microsoft-exchange-exchange_server_2016_CU8-kb5000871microsoft-exchange-exchange_server_2016_CU9-kb5000871microsoft-exchange-exchange_server_2019_CU1-kb5000871microsoft-exchange-exchange_server_2019_CU2-kb5000871microsoft-exchange-exchange_server_2019_CU3-kb5000871microsoft-exchange-exchange_server_2019_CU4-kb5000871microsoft-exchange-exchange_server_2019_CU5-kb5000871microsoft-exchange-exchange_server_2019_CU6-kb5000871microsoft-exchange-exchange_server_2019_CU7-kb5000871microsoft-exchange-exchange_server_2019_CU8-kb5000871microsoft-exchange-exchange_server_2019_RTM-kb5000871	Aug 10, 2023	Mar 3, 2021
Msft	View advisory ↗	msft-kb5000871-22fec8f5-e504-4971-a880-88bab21a1f37msft-kb5000871-28c56acf-f5f1-4a92-900d-0de0c58d61a4msft-kb5000871-82a6c7b8-34c1-4d23-879a-8b5963acc47dmsft-kb5000871-c6ed44ca-634b-4b5c-91ba-12232d8ec98e	Mar 2, 2021	Mar 2, 2021

Prioritise with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub