CVE-2024-8651: A vulnerability in NetCat CMS allows an attacker to send a specially crafted http request that can be used to

Q: How do I fix CVE-2024-8651?

netcat content management system: upgrade to 6.4.0.24248. Exact commands for each OS are on this page.

Q: Is CVE-2024-8651 being exploited?

CVE-2024-8651 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-8651 affect?

CVE-2024-8651 affects netcat content management system. Severity is medium (CVSS 5.3). A vulnerability in NetCat CMS allows an attacker to send a specially crafted http request that can be used to check whether a user exists in the system, which could be a basis for further attacks. This issue affects NetCat CMS v. 6.4.0.2412

Q: How urgent is CVE-2024-8651?

Priority 33/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2024-8651 is a medium-severity flaw (CVSS 5.3) affecting netcat content management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability in NetCat CMS allows an attacker to send a specially crafted http request that can be used to check whether a user exists in the system, which could be a basis for further attacks. This issue affects NetCat CMS v. 6.4.0.24126.2 and possibly others. Apply patch from vendor https://netcat.ru/ https://netcat.ru/] . Versions 6.4.0.24248 and on have the patch.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-204, CWE-203
Published	2024-09-19
Last modified	2026-06-17

Publisher (CNA): Kaspersky Labs · Vendor: netcat

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-09-19 17:15 UTCPublished CVE record published
2026-06-17 08:23 UTCUpdated Record last modified

netcat netcat content management system UPGRADE

Affected: < 6.4.0.24248

Fixed in: 6.4.0.24248

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy netcat-content-management-system || rpm -q netcat-content-management-system || netcat-content-management-system --version

2. UPGRADE to 6.4.0.24248 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade netcat-content-management-system

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade netcat-content-management-system

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2024-8651?

netcat content management system: upgrade to 6.4.0.24248. Exact commands for each OS are on this page.

Is CVE-2024-8651 being exploited?

CVE-2024-8651 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-2024-8651 affect?

CVE-2024-8651 affects netcat content management system. Severity is medium (CVSS 5.3). A vulnerability in NetCat CMS allows an attacker to send a specially crafted http request that can be used to check whether a user exists in the system, which could be a basis for further attacks. This issue affects NetCat CMS v. 6.4.0.2412

How urgent is CVE-2024-8651?

Priority 33/100. Remotely exploitable, no login, no user action

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CVE-2024-8652 MEDIUM 6.1 UPGRADE A vulnerability in NetCat CMS allows an attacker to execute JavaScript code in a user's browser when they visi

References

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