Description
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft Exchange Server 2013 Cumulative Update 23 | 15.00.0 – < 15.00.1497.015 | 15.00.1497.015 |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 19 | 15.01.0 – < 15.01.2176.012 | 15.01.2176.012 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 8 | 15.02.0 – < 15.02.0792.013 | 15.02.0792.013 |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 20 | 15.01.0 – < 15.01.2242.008 | 15.01.2242.008 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 9 | 15.02.0 – < 15.02.0858.010 | 15.02.0858.010 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 2 repositories
-
ZephrFish/CVE-2021-28480_HoneyPoC3 ★ 10 · Apr 21, 2021
DO NOT RUN THIS.
-
Threonic/CVE-2021-28480 ★ 0 · Mar 30, 2022
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- Microsoft Exchange - Pre-Auth SSRF / ACL Bypass (ProxyNotFound) http/cves/2021/CVE-2021-28480.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.