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Vulnerability details: VCID-gdfg-dkdy-sqfg
Vulnerability ID VCID-gdfg-dkdy-sqfg
Aliases CVE-2019-9897
Summary Multiple denial-of-service attacks that can be triggered by writing to the terminal exist in PuTTY versions before 0.71.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2019-9897
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2019-9897
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2019-9897
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2019-9897
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2019-9897
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2019-9897
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2019-9897
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2019-9897
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2019-9897
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2019-9897
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2019-9897
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2019-9897
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2019-9897
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-9897
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html
https://api.first.org/data/v1/epss?cve=CVE-2019-9897
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9894
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9895
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9897
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9898
https://lists.debian.org/debian-lts-announce/2019/04/msg00023.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LDO3F267P347E6U2IILFCYW7JPTLCCES/
https://seclists.org/bugtraq/2019/Apr/6
https://security.netapp.com/advisory/ntap-20190404-0001/
https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
https://www.debian.org/security/2019/dsa-4423
cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
CVE-2019-9897 https://nvd.nist.gov/vuln/detail/CVE-2019-9897
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-9897
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-9897
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.83008
EPSS Score 0.02021
Published At Aug. 15, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:31:44.383692+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/edge/community.json 37.0.0