How severe is CVE-2023-23324?

CVE-2023-23324 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-23324 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23324?

CVE-2023-23324 affects Zumtobel Netlink Ccd Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-23324?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-23324 published?

CVE-2023-23324 was published on 2023-11-29 and last updated on 2026-07-09.

CVE-2023-23324

CVE-2023-23324 is a critical-severity vulnerability in Zumtobel Netlink Ccd Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Zumtobel Netlink Ccd Firmware
Published: 2023-11-29
Last modified: 2026-07-09

Description

Zumtobel Netlink CCD Onboard 3.74 - Firmware 3.80 was discovered to contain hardcoded credentials for the Administrator account.

Frequently asked questions

What is CVE-2023-23324?: Zumtobel Netlink CCD Onboard 3.74 - Firmware 3.80 was discovered to contain hardcoded credentials for the Administrator account.
How severe is CVE-2023-23324?: CVE-2023-23324 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-23324 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23324?: CVE-2023-23324 affects Zumtobel Netlink Ccd Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-23324?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-23324 published?: CVE-2023-23324 was published on 2023-11-29 and last updated on 2026-07-09.

References

https://yoroi.company/en/research/cve-advisory-partial-disclosure-zumtobel-multiple-vulnerabilities/

Affected products (1)

cpe:2.3:o:zumtobel:netlink_ccd_firmware:3.80:*:*:*:*:*:*:*

More vulnerabilities in Zumtobel Netlink Ccd Firmware

CVE-2023-23325 — Critical (CVSS 9.8): Zumtobel Netlink CCD Onboard 3.74 - Firmware 3.80 was discovered to contain a command injection vulnerability via the…
CVE-2023-24294 — High (CVSS 7.5): Zumtobel Netlink CCD Onboard v3.74 - Firmware v3.80 was discovered to contain a buffer overflow via the component…

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