CVE-2023-32157: Tesla Model 3 bsa_server BIP Heap-based Buffer Overflow Arbitrary Code Execution Vulnerability

Routine

HIGH 7.5MITIGATE

CVE-2023-32157 is a high-severity flaw (CVSS 7.5) affecting model 3 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Tesla Model 3 bsa_server BIP Heap-based Buffer Overflow Arbitrary Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Tesla Model 3 vehicles. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability. The specific flaw exists within the bsa_server process. The issue results from the lack of prope

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Adjacent network
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-122, CWE-787
Published	2024-05-03
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: tesla

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-05-03 02:15 UTCPublished CVE record published
2026-06-17 05:58 UTCUpdated Record last modified

tesla model 3 firmware MITIGATE

Affected: 2023.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 2023.6

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-32157?

model 3 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-32157 being exploited?

CVE-2023-32157 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-32157 affect?

CVE-2023-32157 affects model 3 firmware. Severity is high (CVSS 7.5). Tesla Model 3 bsa_server BIP Heap-based Buffer Overflow Arbitrary Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Tesla Model 3 vehicles. An attacker must first obtain

How urgent is CVE-2023-32157?

Priority 35/100. High severity

Software pages

Tesla and automotive vulnerabilities · Bluetooth vulnerabilities

Related CVEs

CVE-2025-2082 HIGH 7.5 UPGRADE Tesla Model 3 VCSEC Integer Overflow Remote Code Execution Vulnerability
CVE-2023-32156 HIGH 8.8 MITIGATE Tesla Model 3 Gateway Firmware Signature Validation Bypass Vulnerability
CVE-2023-32155 HIGH 7.0 MITIGATE Tesla Model 3 bcmdhd Out-Of-Bounds Write Local Privilege Escalation Vulnerability

References

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