CVE-2002-0054 Auth bypass in n/a
Remote attackers can bypass SMTP authentication using null session credentials to perform unauthorized mail relaying on affected Microsoft Exchange servers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2002-0054?
CVE-2002-0054 is a high-severity authentication bypass vulnerability in Microsoft Exchange Server, published on 2 Apr 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SMTP service in (1) Microsoft Windows 2000 and (2) Internet Mail Connector (IMC) in Exchange Server 5.5 does not properly handle responses to NTLM authentication, which allows remote attackers to perform mail relaying via an SMTP AUTH command using null session credentials.
Weakness: CWE-294
Which versions are affected by CVE-2002-0054?
It affects 2 products.
Products include Microsoft Exchange Server, Microsoft Windows 2000.
How do I fix CVE-2002-0054?
No fix has been published for CVE-2002-0054 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2002-0054 being exploited?
There is no known exploitation of CVE-2002-0054 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Exchange Server
- CVE-2024-21410 Microsoft Exchange Server Privilege Escalation
- CVE-2021-34473 Microsoft Exchange Server Remote Code Execution
- CVE-2021-26855 Microsoft Exchange Server Remote Code Execution
- CVE-2021-34523 Microsoft Exchange Server Privilege Escalation
- CVE-2023-21529 Microsoft Exchange Server Deserialization of Untrusted Data
Sources
Also known as GHSA-7h4w-2f9g-63r2.