SB2021110940 - Multiple vulnerabilities in Microsoft Exchange Server
Published: November 9, 2021 Updated: July 30, 2022
Security Bulletin ID
SB2021110940
Severity
Medium
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Spoofing attack (CVE-ID: CVE-2021-41349)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data in Microsoft Exchange Server. A remote attacker can spoof page content.
2) Spoofing attack (CVE-ID: CVE-2021-42305)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data in Microsoft Exchange Server. A remote attacker can spoof page content.
Remediation
Install update from vendor's website.