CVE-2023-35388: Microsoft Exchange Server Remote Code Execution Vulnerability
This Microsoft advisory covers CVE-2023-35388 in Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Exchange Server 2019 Cumulative Update 12 and Microsoft Exchange Server 2019 Cumulative Update 13.
- CVE-2023-35388
Key facts
- Vendor rating
- High, CVSS 8
- CVSS 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· base score 8, scored by microsoftAttack vector: adjacent network. Attack complexity: low. Privileges required: low. User interaction: none. Scope: unchanged. Confidentiality impact: high. Integrity impact: high. Availability impact: high.- Weakness
- CWE-502: Deserialization of Untrusted Data
- EPSS
- 6.85% chance of exploitation in the next 30 days (94th percentile). FIRST EPSS, .
- CISA SSVC
- Exploitation: none observed. Automatable: no. Technical impact: total. CISA, .
- CISA KEV
- Not listed (catalogue checked )
- Affected
- Microsoft Exchange Server 2016 Cumulative Update 23 15.01.0 before 15.01.2507.032; Microsoft Exchange Server 2019 Cumulative Update 12 15.02.0 before 15.02.1118.037; Microsoft Exchange Server 2019 Cumulative Update 13 15.02.0 before 15.02.1258.025
- Fixed in
- 15.01.2507.032, 15.02.1118.037, 15.02.1258.025
- Source published
- Source revised
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected products named by the advisory: Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server 2019 Cumulative Update 12; Microsoft Exchange Server 2019 Cumulative Update 13.
Text from the source record.
- Microsoft Exchange Server 2016 Cumulative Update 23 15.01.0 before 15.01.2507.032
- Microsoft Exchange Server 2019 Cumulative Update 12 15.02.0 before 15.02.1118.037
- Microsoft Exchange Server 2019 Cumulative Update 13 15.02.0 before 15.02.1258.025
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2023-35388
Upgrade to a fixed release named by Microsoft:
- 15.01.2507.032
- 15.02.1118.037
- 15.02.1258.025
End-of-life dates for Microsoft Exchange Server
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