CVE-2018-18203 describes a firmware update vulnerability in Subaru StarLink Harman head units from 2017, 2018, and 2019 models. This flaw allows an attacker with physical USB access to rewrite the head unit's firmware by exploiting a bug where unsigned QNX6 filesystem images pass validity checks, provided they have access to specific Harman decryption/encryption code. The vulnerability carries a CVSS score of 6.4 (Medium), indicating high impact on confidentiality, integrity, and availability, but requires physical access and high attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:subaru:starlink_2017_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:subaru:starlink_2018_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:subaru:starlink_2019_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.