5.8
CVE-2021-31209
- EPSS 2.63%
- Veröffentlicht 11.05.2021 19:15:10
- Zuletzt bearbeitet 28.02.2025 20:15:38
- Erkennungen
Microsoft Exchange Server Spoofing Vulnerability
Microsoft Exchange Server Spoofing Vulnerability
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Exchange Server Version 2013 Update cumulative_update_23
Microsoft ≫ Exchange Server Version 2016 Update cumulative_update_19
Microsoft ≫ Exchange Server Version 2016 Update cumulative_update_20
Microsoft ≫ Exchange Server Version 2019 Update cumulative_update_8
Microsoft ≫ Exchange Server Version 2019 Update cumulative_update_9
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 2.63% | 0.835 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| NIST | 5.8 | 8.6 | 4.9 |
AV:N/AC:M/Au:N/C:P/I:P/A:N
|
| NIST | 8.1 | 2.8 | 5.2 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
|
| Microsoft | 6.5 | 2.2 | 4.2 |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
|
CWE-290 Authentication Bypass by Spoofing
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31209
https://www.zerodayinitiative.com/advisories/ZDI-21-615/