CVE-2024-49040: Microsoft Exchange Server Spoofing Vulnerability
First published: Tue Nov 12 2024(Updated: )
Microsoft Exchange Server Spoofing Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Exchange Server | =2016 | |
| Microsoft Exchange Server | =2016-cumulative_update_1 | |
| Microsoft Exchange Server | =2016-cumulative_update_10 | |
| Microsoft Exchange Server | =2016-cumulative_update_11 | |
| Microsoft Exchange Server | =2016-cumulative_update_12 | |
| Microsoft Exchange Server | =2016-cumulative_update_13 | |
| Microsoft Exchange Server | =2016-cumulative_update_14 | |
| Microsoft Exchange Server | =2016-cumulative_update_15 | |
| Microsoft Exchange Server | =2016-cumulative_update_16 | |
| Microsoft Exchange Server | =2016-cumulative_update_17 | |
| Microsoft Exchange Server | =2016-cumulative_update_18 | |
| Microsoft Exchange Server | =2016-cumulative_update_19 | |
| Microsoft Exchange Server | =2016-cumulative_update_2 | |
| Microsoft Exchange Server | =2016-cumulative_update_20 | |
| Microsoft Exchange Server | =2016-cumulative_update_21 | |
| Microsoft Exchange Server | =2016-cumulative_update_22 | |
| Microsoft Exchange Server | =2016-cumulative_update_3 | |
| Microsoft Exchange Server | =2016-cumulative_update_4 | |
| Microsoft Exchange Server | =2016-cumulative_update_5 | |
| Microsoft Exchange Server | =2016-cumulative_update_6 | |
| Microsoft Exchange Server | =2016-cumulative_update_7 | |
| Microsoft Exchange Server | =2016-cumulative_update_8 | |
| Microsoft Exchange Server | =2016-cumulative_update_9 | |
| Microsoft Exchange Server | =2019 | |
| Microsoft Exchange Server | =2019-cumulative_update_1 | |
| Microsoft Exchange Server | =2019-cumulative_update_10 | |
| Microsoft Exchange Server | =2019-cumulative_update_11 | |
| Microsoft Exchange Server | =2019-cumulative_update_12 | |
| Microsoft Exchange Server | =2019-cumulative_update_2 | |
| Microsoft Exchange Server | =2019-cumulative_update_3 | |
| Microsoft Exchange Server | =2019-cumulative_update_4 | |
| Microsoft Exchange Server | =2019-cumulative_update_5 | |
| Microsoft Exchange Server | =2019-cumulative_update_6 | |
| Microsoft Exchange Server | =2019-cumulative_update_7 | |
| Microsoft Exchange Server | =2019-cumulative_update_8 | |
| Microsoft Exchange Server | =2019-cumulative_update_9 | |
| Microsoft Exchange Server | =14 | |
| Microsoft Exchange Server | =23 | |
| Microsoft Exchange Server | =13 |
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Reference Links
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49040 (Advisory)
- https://www.bleepingcomputer.com/news/security/unpatched-microsoft-exchange-server-flaw-enables-spoofing-attacks/
- https://www.bleepingcomputer.com/news/security/microsoft-re-releases-exchange-updates-after-fixing-mail-delivery/
Frequently Asked Questions
What is the severity of CVE-2024-49040?
CVE-2024-49040 is classified as a medium-severity spoofing vulnerability affecting Microsoft Exchange Server.
How do I fix CVE-2024-49040?
To fix CVE-2024-49040, apply the latest cumulative updates or patches provided by Microsoft for affected Exchange Server versions.
Which versions of Microsoft Exchange Server are affected by CVE-2024-49040?
CVE-2024-49040 affects Microsoft Exchange Server versions 2016 and 2019, including all relevant cumulative updates.
What types of attacks can CVE-2024-49040 enable?
CVE-2024-49040 can enable attackers to spoof emails, potentially leading to phishing attempts or impersonation.
Is there a workaround for CVE-2024-49040?
While installing patches is the recommended action, temporarily reviewing email filtering settings may mitigate some spoofing risks until a fix is applied.
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