CVE-2023-7008: A vulnerability was found in systemd-resolved

This month

MEDIUM 5.9REMOTEMITIGATE

CVE-2023-7008 is a medium-severity flaw (CVSS 5.9) affecting systemd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in systemd-resolved. This issue may allow systemd-resolved to accept records of DNSSEC-signed domains even when they have no signature, allowing man-in-the-middles (or the upstream DNS resolver) to manipulate records.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 42%)
CISA exploited list	No
Weakness	CWE-300
Published	2023-12-23
Last modified	2026-11-02

Publisher (CNA): Red Hat, Inc. · Vendor: systemd project

Last updated 2026-11-02 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-12-23 13:15 UTCPublished CVE record published
2026-11-02 23:17 UTCUpdated Record last modified

systemd project systemd MITIGATE

Affected: 25

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy systemd || rpm -q systemd || systemd --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Downgrade not recommended

This is a core system component: downgrading can break the OS. Apply the distro update or the vendor mitigation.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-7008?

systemd: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-7008 being exploited?

CVE-2023-7008 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-7008 affect?

CVE-2023-7008 affects systemd. Severity is medium (CVSS 5.9). A vulnerability was found in systemd-resolved. This issue may allow systemd-resolved to accept records of DNSSEC-signed domains even when they have no signature, allowing man-in-the-middles (or the upstream DNS resolver) to manipulate recor

How urgent is CVE-2023-7008?

Priority 40/100. Remotely exploitable, no login, no user action

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References

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