How severe is CVE-2025-55049?

CVE-2025-55049 has a CVSS 3.x base score of 9.1, 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 none.

Is CVE-2025-55049 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-55049?

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.

Does CVE-2025-55049 have an EU (EUVD) identifier?

Yes. CVE-2025-55049 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27428.

When was CVE-2025-55049 published?

CVE-2025-55049 was published on 2025-09-09 and last updated on 2026-06-17.

CVE-2025-55049

CVE-2025-55049 is a critical-severity vulnerability with a CVSS 3.x base score of 9.1. 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-1394.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27428
Weakness: CWE-1394
Published: 2025-09-09
Last modified: 2026-06-17

Description

Use of Default Cryptographic Key (CWE-1394)

Frequently asked questions

What is CVE-2025-55049?: Use of Default Cryptographic Key (CWE-1394)
How severe is CVE-2025-55049?: CVE-2025-55049 has a CVSS 3.x base score of 9.1, 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 none.
Is CVE-2025-55049 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-55049?: 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.
Does CVE-2025-55049 have an EU (EUVD) identifier?: Yes. CVE-2025-55049 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27428.
When was CVE-2025-55049 published?: CVE-2025-55049 was published on 2025-09-09 and last updated on 2026-06-17.

References

https://www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0

Other CWE-1394 vulnerabilities

CVE-2025-41742 — Critical (CVSS 9.8): Sprecher Automations SPRECON-E-C, SPRECON-E-P, SPRECON-E-T3 is vulnerable to attack by an unauthorized remote…
CVE-2024-48956 — Critical (CVSS 9.8): Serviceware Processes 6.0 through 7.3 before 7.4 allows attackers without valid authentication to send a specially…
CVE-2025-41744 — Critical (CVSS 9.1): Sprecher Automations SPRECON-E series uses default cryptographic keys that allow an unprivileged remote attacker to…
CVE-2024-1275 — Critical (CVSS 9.1): Use of Default Cryptographic Key vulnerability in Baxter Welch Allyn Connex Spot Monitor may allow…
CVE-2024-29037 — Critical (CVSS 9.1): datahub-helm provides the Kubernetes Helm charts for deploying Datahub and its dependencies on a Kubernetes cluster.…
CVE-2025-44954 — Critical (CVSS 9.0): RUCKUS SmartZone (SZ) before 6.1.2p3 Refresh Build has a hardcoded SSH private key for a root-equivalent user account.

Browse all CWE-1394 vulnerabilities →