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TI-2003-00044 Aliases CVE-2003-0048GHSA-vqgf-8h52-rhrp

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

Priority LOW 21Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00381 32nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:putty:putty:0.48:*:*:*:*:*:*:*0.48VulnerablePuTTY
cpe:2.3:a:putty:putty:0.49:*:*:*:*:*:*:*0.49VulnerablePuTTY
cpe:2.3:a:putty:putty:0.53:*:*:*:*:*:*:*0.53VulnerablePuTTY
cpe:2.3:a:putty:putty:0.53b:*:*:*:*:*:*:*0.53bVulnerablePuTTY
  • cpe:2.3:a:putty:putty:0.48:*:*:*:*:*:*:* Versions 0.48 Vulnerable ·PuTTY
  • cpe:2.3:a:putty:putty:0.49:*:*:*:*:*:*:* Versions 0.49 Vulnerable ·PuTTY
  • cpe:2.3:a:putty:putty:0.53:*:*:*:*:*:*:* Versions 0.53 Vulnerable ·PuTTY
  • cpe:2.3:a:putty:putty:0.53b:*:*:*:*:*:*:* Versions 0.53b Vulnerable ·PuTTY

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-0048
  2. 2026-10-03 Alias added: GHSA-vqgf-8h52-rhrp

References

  • TI-2002-01283 Multiple SSH2 servers and clients do not properly handle large packets or large fields… CVSS 2.0HIGH 10.0
  • TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
  • TI-2017-04321 The ssh_agent_channel_data function in PuTTY before 0.68 allows remote attackers to have… CVSS 3.0CRITICAL 9.8
  • TI-2026-03565 PuTTY Ed25519 Signature ecc-ssh.c eddsa_verify signature verification CVSS 4.0MEDIUM 6.3
  • TI-2002-01281 Multiple SSH2 servers and clients do not properly handle packets or data elements with… CVSS 2.0HIGH 10.0
  • TI-2004-00914 Integer signedness error in the ssh2_rdpkt function in PuTTY before 0.56 allows remote… CVSS 2.0HIGH 10.0
See all 35 →

Sources