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CVE-2011-4607
PuTTY 0.59 through 0.61 does not clear sensitive process memory when managing user replies that occur during keyboard-interactive…
Low2.1EPSS 0.41%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
PuTTY 0.59 through 0.61 does not clear sensitive process memory when managing user replies that occur during keyboard-interactive authentication, which might allow local users to read login passwords by obtaining access to the process' memory.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.41% · top 65% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Weakness
Affected products
n/a
- affected n/a
References (3)
- [oss-security] 20111212 Re: CVE request: putty does not wipe keyboard-interactive replies from memory after authentication (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20111212 CVE request: putty does not wipe keyboard-interactive replies from memory after authentication (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/password-not-wiped.html (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .