Is CVE-2013-4208 actively exploited?

CVE-2013-4208 has no public evidence of in-the-wild exploitation as of 2026-04-29.

What is the CVSS score for CVE-2013-4208?

CVE-2013-4208 has a CVSS score of 2.1 (UNKNOWN severity). Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N.

How do I patch CVE-2013-4208?

Patch guidance is available from putty security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2013-4208.

CVE-2013-4208 - remediation guidance & executive summary

Q: Which products are affected by CVE-2013-4208?

19 products: putty putty, putty putty, putty putty, putty putty, putty putty, and 14 more.

Description

The rsa_verify function in PuTTY before 0.63 (1) does not clear sensitive process memory after use and (2) does not free certain structures containing sensitive process memory, which might allow local users to discover private RSA and DSA keys.

CVSS Metrics

Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector: local
Access Cmplx: low
Auth: none
Confidentiality: partial
Integrity: none
Availability: none
Weaknesses: CWE-200 · Information Disclosure

Metadata

Primary Vendor: PUTTY
Published: 8/19/2013
Last Modified: 4/29/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

putty : puttyputty : puttyputty : puttyputty : puttyputty : puttyputty : puttyputty : puttyputty : puttyputty : puttyputty : puttyputty : puttyputty : puttyputty : puttyputty : puttyputty : puttyputty : puttyputty : puttysimon_tatham : puttysimon_tatham : putty

Remediation Guidance

Executive Summary

View on NIST NVD