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CVE-2013-4208

11
FAUCET Score

CVE-2013-4208 describes a memory management vulnerability in PuTTY versions prior to 0.63, affecting both PuTTY and Simon Tatham PuTTY. The flaw involves the rsa_verify function failing to clear or free sensitive process memory containing private RSA and DSA keys after use. With a CVSS score of 2.1 (AV:L/AC:L/Au:N/C:P/I:N/A:N), this vulnerability is considered low severity, requiring local access for an attacker to potentially discover sensitive key material. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.45CPE matchmatch criteria
cpe:2.3:a:putty:putty:0.45:*:*:*:*:*:*:*
0.46CPE matchmatch criteria
cpe:2.3:a:putty:putty:0.46:*:*:*:*:*:*:*
0.47CPE matchmatch criteria
cpe:2.3:a:putty:putty:0.47:*:*:*:*:*:*:*
0.48CPE matchmatch criteria
cpe:2.3:a:putty:putty:0.48:*:*:*:*:*:*:*
0.49CPE matchmatch criteria
cpe:2.3:a:putty:putty:0.49:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

AV:L/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 52nd percentile among its peer group of 2,096 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.opensuse.org / opensuse-updates/2013-08/msg00035.html
secunia.com / advisories/54379
Vendor Advisory
secunia.com / advisories/54533
chiark.greenend.org.uk / ~sgtatham/putty/wishlist/private-key-not-wiped.html
debian.org / security/2013/dsa-2736
openwall.com / lists/oss-security/2013/08/06/11