CVE-2011-4607
PuTTY 0.59 through 0.61 does not clear sensitive process memory when managing user replies that...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-4607- CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-4607- Updated
- 2026-11-02
EUVDEUVD-2011-4531 No score
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.
- Record
EUVD-2011-4531- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h9rc-mm9p-hjjg No score
PuTTY 0.59 through 0.61 does not clear sensitive process memory when managing user replies that...
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.
- Record
GHSA-h9rc-mm9p-hjjg- Weakness
- CWE-119
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2011-4607- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-4607 No score
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.
- Record
DEBIAN-CVE-2011-4607- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4607 is a low vulnerability (CVSS 2.1) in Putty, published August 23, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. Fixed in putty 0.62-1.