CVE-2003-0048: Medium severity Putty PuTTY vulnerability

Published Feb 1, 2003
·
Updated

PuTTY 0.53b and earlier does not clear logon credentials from memory, including plaintext passwords, which could allow attackers with access to memory to steal the SSH credentials.

Affected Software

4 affected components
Putty PuTTY=0.53
Putty PuTTY=0.49
Putty PuTTY=0.53b
Putty PuTTY=0.48

Event History

Feb 1, 2003
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
Feb 19, 2003
Data Sourced
via NVD·05:00 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2003-0048?

CVE-2003-0048 is considered a high severity vulnerability due to the potential exposure of sensitive SSH credentials.

2

How do I fix CVE-2003-0048?

To fix CVE-2003-0048, upgrade to PuTTY version 0.54 or later, which addresses the issue of not clearing credentials from memory.

3

What software versions are affected by CVE-2003-0048?

CVE-2003-0048 affects PuTTY versions 0.48, 0.49, 0.53, and 0.53b.

4

What type of information can be leaked due to CVE-2003-0048?

CVE-2003-0048 can lead to the leakage of plaintext SSH credentials, including usernames and passwords stored in memory.

5

Who is primarily affected by CVE-2003-0048?

Users of vulnerable versions of PuTTY are primarily affected, especially in environments where memory access can be exploited by attackers.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203