HOMEVULNERABILITIESCVE-2023-2829
HIGH

CVE-2023-2829

NVD-CWE-noinfoPublished: June 21, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely terminated using a zone with a malformed NSEC record.

This issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1.

NVD Source

Technical Analysis

CVE-2023-2829 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

isc1 product(s)
bind
netapp11 product(s)
active iq unified managerh500s firmwareh500sh700s firmwareh700sh410s firmwareh410sh410c firmwareh410ch300s firmwareh300s
Source: NVD CPE · 12 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://kb.isc.org/docs/cve-2023-2829
ADVISORYhttps://security.netapp.com/advisory/ntap-20230703-0010/
ADVISORYhttps://kb.isc.org/docs/cve-2023-2829
ADVISORYhttps://security.netapp.com/advisory/ntap-20230703-0010/

All References (4)

→
https://kb.isc.org/docs/cve-2023-2829Vendor Advisory
→
https://security.netapp.com/advisory/ntap-20230703-0010/Third Party Advisory
→
https://kb.isc.org/docs/cve-2023-2829Vendor Advisory
→
https://security.netapp.com/advisory/ntap-20230703-0010/Third Party Advisory

Quick Facts

CVE IDCVE-2023-2829
CVSS Score7.5 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected2 vendor(s)
PublishedJun 21, 2023

Related CVEs (NVD-CWE-noinfo)

CVE-2009-2722
10.0
CVE-2008-5457
10.0
CVE-2026-46800
10.0
CVE-2009-2721
10.0
CVE-2009-2723
10.0
CVE-2005-4007
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-2829 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. CVE data is provided under the NVD usage policy.
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