HOMEVULNERABILITIESCVE-2023-5679
HIGH

CVE-2023-5679

NVD-CWE-noinfoPublished: February 13, 2024· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

A bad interaction between DNS64 and serve-stale may cause `named` to crash with an assertion failure during recursive resolution, when both of these features are enabled.

This issue affects BIND 9 versions 9.16.12 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.12-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

NVD Source

Technical Analysis

CVE-2023-5679 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Fedora1 product(s)
fedora
isc1 product(s)
bind
netapp1 product(s)
active iq unified manager
Source: NVD CPE · 15 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (14)

Quick Facts

CVE IDCVE-2023-5679
CVSS Score7.5 / 10
SeverityHIGH
CISA KEVNo
Affected3 vendor(s)
PublishedFeb 13, 2024

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-5679 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.