CVE-2021-26412
Microsoft Exchange Server Remote Code Execution Vulnerability
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 15.00.1497.012, 15.01.2106.013, 15.01.2176.009, 15.02.0721.013, 15.02.0792.010
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: poc
- Automatable: yes
- Technical impact: partial
Summary
Microsoft Exchange Server Remote Code Execution Vulnerability
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: poc · Automatable: yes · Technical impact: partial
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- Microsoft Microsoft Exchange Server 2013 Cumulative Update 23
From 15.00.0 · fixed in 15.00.1497.012
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 18
From 15.01.0 · fixed in 15.01.2106.013
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 19
From 15.01.0 · fixed in 15.01.2176.009
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 7
From 15.02.0 · fixed in 15.02.0721.013
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 8
From 15.02.0 · fixed in 15.02.0792.010