Vulnerability · Published Jan 10, 2023 · Assigned by microsoft
CVE-2023-21762Microsoft Exchange Server Spoofing Vulnerability
High 8.0
In plain English
A high-severity unsafe deserialization in Microsoft Exchange Server 2013 Cumulative Update 23 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).
Severity (CVSS 3.1)8.0High
Exploit odds (30 days)1.6%top 24.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Microsoft Exchange Server Spoofing Vulnerability
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 23 | 15.01.0 – before 15.01.2507.017 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 12 | 15.02.0 – before 15.02.1118.021 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 11 | 15.02.0 – before 15.02.0986.037 |
| Microsoft | Microsoft Exchange Server 2013 Cumulative Update 23 | 15.00.0 – before 15.00.1497.045 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Microsoft Exchange Server Spoofing Vulnerability vendor-advisory