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Vulnerability details: VCID-4sax-ynvh-abed
Vulnerability ID VCID-4sax-ynvh-abed
Aliases CVE-2025-5994
Summary unbound: Unbound Cache poisoning
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-349 Acceptance of Extraneous Untrusted Data With Trusted Data
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-5994.json
epss 0.00064 https://api.first.org/data/v1/epss?cve=CVE-2025-5994
epss 0.00064 https://api.first.org/data/v1/epss?cve=CVE-2025-5994
epss 0.00064 https://api.first.org/data/v1/epss?cve=CVE-2025-5994
epss 0.00064 https://api.first.org/data/v1/epss?cve=CVE-2025-5994
epss 0.00064 https://api.first.org/data/v1/epss?cve=CVE-2025-5994
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2025-5994
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2025-5994
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2025-5994
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv4 8.7 https://nlnetlabs.nl/downloads/unbound/CVE-2025-5994.txt
ssvc Track https://nlnetlabs.nl/downloads/unbound/CVE-2025-5994.txt
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-5994.json
https://api.first.org/data/v1/epss?cve=CVE-2025-5994
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-5994
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1109427 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1109427
2380949 https://bugzilla.redhat.com/show_bug.cgi?id=2380949
CVE-2025-5994.txt https://nlnetlabs.nl/downloads/unbound/CVE-2025-5994.txt
RHSA-2025:11849 https://access.redhat.com/errata/RHSA-2025:11849
RHSA-2025:11884 https://access.redhat.com/errata/RHSA-2025:11884
RHSA-2025:12064 https://access.redhat.com/errata/RHSA-2025:12064
RHSA-2025:12416 https://access.redhat.com/errata/RHSA-2025:12416
RHSA-2025:12520 https://access.redhat.com/errata/RHSA-2025:12520
RHSA-2025:12523 https://access.redhat.com/errata/RHSA-2025:12523
RHSA-2025:12929 https://access.redhat.com/errata/RHSA-2025:12929
RHSA-2025:13575 https://access.redhat.com/errata/RHSA-2025:13575
RHSA-2025:13576 https://access.redhat.com/errata/RHSA-2025:13576
RHSA-2025:13577 https://access.redhat.com/errata/RHSA-2025:13577
USN-7666-1 https://usn.ubuntu.com/7666-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-5994.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: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/R:U/V:C Found at https://nlnetlabs.nl/downloads/unbound/CVE-2025-5994.txt
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-07-16T15:42:14Z/ Found at https://nlnetlabs.nl/downloads/unbound/CVE-2025-5994.txt
Exploit Prediction Scoring System (EPSS)
Percentile 0.20188
EPSS Score 0.00064
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:38:27.272783+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-5994.json 38.0.0