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CVE-2003-0048

PuTTY 0.53b and earlier does not clear logon credentials from memory, including plaintext...

4.6 MediumFix available

CVE-2003-0048 is a medium vulnerability (CVSS 4.6) in Putty, published February 1, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. Fixed in putty 0.53-b-2003-01-04-1.

What does this mean?
Severity
4.6 MediumCVSS 2.0, NVD
Exploit chance
0.38%EPSS, 32nd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
0.53-b-2003-01-04-1putty +2 more

Description

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.

Exploit likelihood

0.38%Down 0.6 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
putty
Debian:12
before 0.53-b-2003-01-04-1
0.53-b-2003-01-04-1
putty
Debian:13
before 0.53-b-2003-01-04-1
0.53-b-2003-01-04-1
putty
Debian:14
before 0.53-b-2003-01-04-1
0.53-b-2003-01-04-1

What each source reports

NVD Score used4.6

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.

Record
CVE-2003-0048
CVSS 2.0
4.6 MediumAV:L/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE ListNo score

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.

Record
CVE-2003-0048
Updated
2026-11-02
EUVDEUVD-2003-0044No score

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.

Record
EUVD-2003-0044
Updated
2026-11-03
GitHub AdvisoriesGHSA-vqgf-8h52-rhrpNo score

PuTTY 0.53b and earlier does not clear logon credentials from memory, including plaintext...

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.

Record
GHSA-vqgf-8h52-rhrp
Updated
2026-11-02
OSVNo score

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.

Record
CVE-2003-0048
Updated
2026-11-02
OSVDEBIAN-CVE-2003-0048No score

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.

Record
DEBIAN-CVE-2003-0048
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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