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Vulnerability details: VCID-5pz4-bxq7-27gh
Vulnerability ID VCID-5pz4-bxq7-27gh
Aliases CVE-2018-5737
Summary bind: Interaction between NSEC aggresive negative caching and the serve-stale feature can cause a denial of service
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-400 Uncontrolled Resource Consumption
CWE-617 Reachable Assertion
System Score Found at
cvssv3 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-5737.json
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2018-5737
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2018-5737
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2018-5737
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2018-5737
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2018-5737
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2018-5737
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2018-5737
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2018-5737
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2018-5737
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2018-5737
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2018-5737
cvssv3 5.9 https://nvd.nist.gov/vuln/detail/CVE-2018-5737
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-5737
archlinux Medium https://security.archlinux.org/AVG-706
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-5737.json
https://api.first.org/data/v1/epss?cve=CVE-2018-5737
https://kb.isc.org/docs/aa-01606
https://security.netapp.com/advisory/ntap-20180926-0004/
http://www.securityfocus.com/bid/104236
http://www.securitytracker.com/id/1040942
1578593 https://bugzilla.redhat.com/show_bug.cgi?id=1578593
ASA-201805-20 https://security.archlinux.org/ASA-201805-20
AVG-706 https://security.archlinux.org/AVG-706
cpe:2.3:a:isc:bind:9.12.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:isc:bind:9.12.0:*:*:*:*:*:*:*
cpe:2.3:a:isc:bind:9.12.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:isc:bind:9.12.1:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:data_ontap_edge:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:data_ontap_edge:-:*:*:*:*:*:*:*
CVE-2018-5737 https://nvd.nist.gov/vuln/detail/CVE-2018-5737
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-5737.json
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
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5737
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:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5737
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
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-2018-5737
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 0.7874
EPSS Score 0.01186
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T14:24:49.331744+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-5737.json 38.0.0