How severe is CVE-2025-27258?

CVE-2025-27258 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-2025-27258 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.

What products are affected by CVE-2025-27258?

CVE-2025-27258 affects Ericsson Network Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27258?

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-2025-27258 have an EU (EUVD) identifier?

Yes. CVE-2025-27258 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33966.

When was CVE-2025-27258 published?

CVE-2025-27258 was published on 2025-10-13 and last updated on 2026-06-17.

CVE-2025-27258

CVE-2025-27258 is a critical-severity vulnerability in Ericsson Network Manager 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 6.9
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-33966
Weakness: CWE-284
Affected product: Ericsson Network Manager
Published: 2025-10-13
Last modified: 2026-06-17

Description

Ericsson Network Manager (ENM) versions prior to ENM 25.1 GA contain a vulnerability, if exploited, can result in an escalation of privilege.

Frequently asked questions

What is CVE-2025-27258?: Ericsson Network Manager (ENM) versions prior to ENM 25.1 GA contain a vulnerability, if exploited, can result in an escalation of privilege.
How severe is CVE-2025-27258?: CVE-2025-27258 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-2025-27258 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.
What products are affected by CVE-2025-27258?: CVE-2025-27258 affects Ericsson Network Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27258?: 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-2025-27258 have an EU (EUVD) identifier?: Yes. CVE-2025-27258 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33966.
When was CVE-2025-27258 published?: CVE-2025-27258 was published on 2025-10-13 and last updated on 2026-06-17.

References

https://www.ericsson.com/en/about-us/security/psirt/security-bulletin-enm-october-2025

Affected products (1)

cpe:2.3:a:ericsson:network_manager:*:*:*:*:*:*:*:*

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