CVE-2021-34523
KEV
🔴 Łataj teraz
Podatność w Microsoft Exchange Server umożliwia eskalację uprawnień.
CVSS
9.0
EPSS
100.0%
Exploit
weaponized
Vendor
microsoft
Opis źródłowy (NVD)
Microsoft Exchange Server Elevation of Privilege Vulnerability
exploit privilege-escalation
Brak patcha
Źródła i daty
| Źródło | Wartość |
|---|---|
| NVD – CVSS | 9.0 |
| CISA KEV (aktywnie wykorzystywane) | Tak |
| FIRST EPSS (prawdopodobieństwo exploita) | 100.0% |
| Opublikowano (NVD) | 2021-07-14 18:15:12 UTC |
| Ostatnia modyfikacja (NVD) | 2026-08-10 19:59:11 UTC |
Referencje
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34523 (secure@microsoft.com) [Patch, Vendor Advisory]
- http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html (af854a3a-2127-422b-91ae-364da2661108) [Exploit, Third Party Advisory, VDB Entry]
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34523 (af854a3a-2127-422b-91ae-364da2661108) [Patch, Vendor Advisory]
- https://www.zerodayinitiative.com/advisories/ZDI-21-822/ (af854a3a-2127-422b-91ae-364da2661108) [Third Party Advisory, VDB Entry]
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34523 (134c704f-9b21-4f2e-91b3-4a467353bcc0) [US Government Resource]