VulnerabilityModified
CVE-2019-17067
PuTTY before 0.73 on Windows improperly opens port-forwarding listening sockets, which allows attackers to listen on the same port to steal an incoming connection.
CRITICAL 9.8EPSS 1.63%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
PuTTY before 0.73 on Windows improperly opens port-forwarding listening sockets, which allows attackers to listen on the same port to steal an incoming connection.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.63% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- putty/putty
- Source
- cve@mitre.org
References
- https://lists.tartarus.org/pipermail/putty-announce/2019/000029.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20191127-0003/
- https://lists.tartarus.org/pipermail/putty-announce/2019/000029.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20191127-0003/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.