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Fencer Intel
medium 4.0

CVE-2025-32056 json

Anti-Theft Bypass for Infotainment ECU

published 9mo ago modified 4mo ago also EUVD-2026-4127

cvss
4.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits
0
none known

Summary

The anti-theft protection mechanism can be bypassed by attackers due to weak response generation algorithms for the head unit. It is possible to reveal all 32 corresponding responses by sniffing CAN traffic or by pre-calculating the values, which allow to bypass the protection.

First identified on Nissan Leaf ZE1 manufactured in 2020.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
9mo ago

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 4.0 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Affected products

  • Bosch Infotainment system ECU

Classification

Weakness
  • CWE-1241 Use of Predictable Algorithm in Random Number Generator

References

Sources

Fencer Intel 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.