How severe is CVE-2023-5253?

CVE-2023-5253 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-5253 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5253?

CVE-2023-5253 primarily affects Nozominetworks Cmc. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-5253?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-5253 have an EU (EUVD) identifier?

Yes. CVE-2023-5253 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-57578.

When was CVE-2023-5253 published?

CVE-2023-5253 was published on 2024-01-15 and last updated on 2026-06-17.

CVE-2023-5253

CVE-2023-5253 is a medium-severity vulnerability in Nozominetworks Cmc with a CVSS 3.x base score of 5.3. 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-306.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.3
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-57578
Weakness: CWE-306
Affected product: Nozominetworks Cmc
Published: 2024-01-15
Last modified: 2026-06-17

Description

A missing authentication check in the WebSocket channel used for the Check Point IoT integration in Nozomi Networks Guardian and CMC, may allow an unauthenticated attacker to obtain assets data without authentication. Malicious unauthenticated users with knowledge on the underlying system may be able to extract limited asset information.

Frequently asked questions

What is CVE-2023-5253?: A missing authentication check in the WebSocket channel used for the Check Point IoT integration in Nozomi Networks Guardian and CMC, may allow an unauthenticated attacker to obtain assets data without authentication. Malicious unauthenticated users with knowledge on the underlying system may be able to extract limited asset information.
How severe is CVE-2023-5253?: CVE-2023-5253 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-5253 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5253?: CVE-2023-5253 primarily affects Nozominetworks Cmc. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-5253?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-5253 have an EU (EUVD) identifier?: Yes. CVE-2023-5253 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-57578.
When was CVE-2023-5253 published?: CVE-2023-5253 was published on 2024-01-15 and last updated on 2026-06-17.

References

https://security.nozominetworks.com/NN-2023:12-01

Affected products (2)

cpe:2.3:a:nozominetworks:cmc:*:*:*:*:*:*:*:*
cpe:2.3:a:nozominetworks:guardian:*:*:*:*:*:*:*:*

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