How severe is CVE-2023-25186?

CVE-2023-25186 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability high.

Is CVE-2023-25186 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-25186?

CVE-2023-25186 primarily affects Nokia Asika Airscale Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-25186?

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

When was CVE-2023-25186 published?

CVE-2023-25186 was published on 2023-06-16 and last updated on 2026-06-17.

CVE-2023-25186

CVE-2023-25186 is a medium-severity vulnerability in Nokia Asika Airscale Firmware with a CVSS 3.x base score of 5.1. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 5.1)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Nokia Asika Airscale Firmware
Published: 2023-06-16
Last modified: 2026-06-17

Description

An issue was discovered on NOKIA Airscale ASIKA Single RAN devices before 21B. If/when CSP (as a BTS administrator) removes security hardenings from a Nokia Single RAN BTS baseband unit, a directory path traversal in the Nokia BTS baseband unit diagnostic tool AaShell (which is by default disabled) provides access to the BTS baseband unit internal filesystem from the mobile network solution internal BTS management network.

Frequently asked questions

What is CVE-2023-25186?: An issue was discovered on NOKIA Airscale ASIKA Single RAN devices before 21B. If/when CSP (as a BTS administrator) removes security hardenings from a Nokia Single RAN BTS baseband unit, a directory path traversal in the Nokia BTS baseband unit diagnostic tool AaShell (which is by default disabled) provides access to the BTS baseband unit internal filesystem from the mobile network solution internal BTS management network.
How severe is CVE-2023-25186?: CVE-2023-25186 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability high.
Is CVE-2023-25186 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-25186?: CVE-2023-25186 primarily affects Nokia Asika Airscale Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-25186?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-25186 published?: CVE-2023-25186 was published on 2023-06-16 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:nokia:asika_airscale_firmware:19b:*:*:*:*:*:*:*
cpe:2.3:o:nokia:asika_airscale_firmware:20a:*:*:*:*:*:*:*
cpe:2.3:o:nokia:asika_airscale_firmware:20b:*:*:*:*:*:*:*
cpe:2.3:o:nokia:asika_airscale_firmware:20c:*:*:*:*:*:*:*
cpe:2.3:o:nokia:asika_airscale_firmware:21a:*:*:*:*:*:*:*

More vulnerabilities in Nokia Asika Airscale Firmware

CVE-2023-25187 — Medium (CVSS 6.3): An issue was discovered on NOKIA Airscale ASIKA Single RAN devices before 21B. Nokia Single RAN commissioning…
CVE-2023-25188 — Medium (CVSS 5.1): An issue was discovered on NOKIA Airscale ASIKA Single RAN devices before 21B. If/when CSP (as a BTS administrator)…
CVE-2023-25185 — Low (CVSS 3.8): An issue was discovered on NOKIA Airscale ASIKA Single RAN devices before 21B. A mobile network solution internal fault…

All CVEs affecting Nokia Asika Airscale Firmware →

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