How severe is CVE-2021-45896?

CVE-2021-45896 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-45896 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45896?

CVE-2021-45896 affects Nokia Fastmile Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45896?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-45896 published?

CVE-2021-45896 was published on 2021-12-27 and last updated on 2026-06-17.

CVE-2021-45896

CVE-2021-45896 is a high-severity vulnerability in Nokia Fastmile Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Nokia Fastmile Firmware
Published: 2021-12-27
Last modified: 2026-06-17

Description

Nokia FastMile 3TG00118ABAD52 devices allow privilege escalation by an authenticated user via is_ctc_admin=1 to login_web_app.cgi and use of Import Config File.

Frequently asked questions

What is CVE-2021-45896?: Nokia FastMile 3TG00118ABAD52 devices allow privilege escalation by an authenticated user via is_ctc_admin=1 to login_web_app.cgi and use of Import Config File.
How severe is CVE-2021-45896?: CVE-2021-45896 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-45896 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45896?: CVE-2021-45896 affects Nokia Fastmile Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45896?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-45896 published?: CVE-2021-45896 was published on 2021-12-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:nokia:fastmile_firmware:3tg00118abad52:*:*:*:*:*:*:*

More vulnerabilities in Nokia Fastmile Firmware

CVE-2022-36222 — High (CVSS 8.4): Nokia Fastmile 3tg00118abad52 devices shipped by Optus are shipped with a default hardcoded admin account of…
CVE-2022-36221 — Medium (CVSS 6.5): Nokia Fastmile 3tg00118abad52 is affected by an authenticated path traversal vulnerability which allows attackers to…

All CVEs affecting Nokia Fastmile Firmware →