High severity · published Mar 21, 2019
CVE-2019-9897
Multiple denial-of-service attacks that can be triggered by writing to the terminal exist in PuTTY versions before 0.71
7.5
CVSS
2.9%
EPSS
No
On KEV
Description
Multiple denial-of-service attacks that can be triggered by writing to the terminal exist in PuTTY versions before 0.71.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
FE
Fedora · Fedoraproject
28; 29 · source: NVD
LE
Leap · Opensuse
15.0 · source: NVD
OU
Oncommand Unified Manager · Netapp
All versions, or not specified · source: NVD
PU
Putty · Putty
before 0.71 · source: NVD