How severe is CVE-2025-0696?

CVE-2025-0696 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 none, integrity none, and availability low.

Is CVE-2025-0696 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-0696?

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

Does CVE-2025-0696 have an EU (EUVD) identifier?

Yes. CVE-2025-0696 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1819.

When was CVE-2025-0696 published?

CVE-2025-0696 was published on 2025-01-27 and last updated on 2026-06-17.

CVE-2025-0696

CVE-2025-0696 is a medium-severity vulnerability 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-1819
Weakness: CWE-476
Published: 2025-01-27
Last modified: 2026-06-17

Description

A NULL Pointer Dereference vulnerability in Cesanta Frozen versions less than 1.7 allows an attacker to induce a crash of the component embedding the library by supplying a maliciously crafted JSON as input.

Frequently asked questions

What is CVE-2025-0696?: A NULL Pointer Dereference vulnerability in Cesanta Frozen versions less than 1.7 allows an attacker to induce a crash of the component embedding the library by supplying a maliciously crafted JSON as input.
How severe is CVE-2025-0696?: CVE-2025-0696 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 none, integrity none, and availability low.
Is CVE-2025-0696 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-0696?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-0696 have an EU (EUVD) identifier?: Yes. CVE-2025-0696 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1819.
When was CVE-2025-0696 published?: CVE-2025-0696 was published on 2025-01-27 and last updated on 2026-06-17.

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-0696

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