The bootloader in the Nokia ASIK AirScale system module (versions 474021A.101 and 474021A.102) loads public keys for firmware verification…

published 2023-01-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-34742

cvss: 8.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits: 0; none known

The bootloader in the Nokia ASIK AirScale system module (versions 474021A.101 and 474021A.102) loads public keys for firmware verification signature. If an attacker modifies the flash contents to corrupt the keys, secure boot could be permanently disabled on a given device.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-307-02 updated 2022-11-03 cvss 8.4

Nokia ASIK AirScale System Module

Nokia ASIK AirScale 5G Common System Module 474021A.101, 474021A.102
affected: mitigation “Nokia has released technical support notes containing mitigation instructions for impacted Nokia users. Users should contact Nokia to receive further information.” customer.nokia.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 21 mo ago (2025-01-16)

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.4	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
NVD	3.1	7.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Affected products

Nokia ASIK AirScale

Classification

Weakness

CWE-1282 Assumed-Immutable Data is Stored in Writable Memory

References

cisa.gov /uscert/ics/advisories/icsa-22-307-02
government-resource, third-party-advisory, us-government-resource

Sources

CVE List CVE-2022-2483
NVD CVE-2022-2483

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary