CVE-2024-45064: A buffer overflow vulnerability exists in the FileX Internal RAM interface functionality of STMicroelectronics

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HIGH 8.5DOWNGRADEDOWNGRADEDOWNGRADE

CVE-2024-45064 is a high-severity flaw (CVSS 8.5) affecting x-cube-azrt-h7rs, x-cube-azrtos-f4, x-cube-azrtos-f7. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A buffer overflow vulnerability exists in the FileX Internal RAM interface functionality of STMicroelectronics X-CUBE-AZRTOS-WL 2.0.0. A specially crafted set of network packets can lead to code execution. An attacker can send a sequence of requests to trigger this vulnerability.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-119
Published	2025-04-02
Last modified	2026-06-17

Publisher (CNA): Talos · Vendor: st

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

Am I affected?

Timeline

2025-04-02 14:15 UTCPublished CVE record published
2026-06-17 07:53 UTCUpdated Record last modified

st x-cube-azrt-h7rs DOWNGRADE

Affected: 1.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0

1. Check installed version

apt-cache policy x-cube-azrt-h7rs || rpm -q x-cube-azrt-h7rs || x-cube-azrt-h7rs --version

2. No fixed release: DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)

apt-cache madison x-cube-azrt-h7rs sudo apt install x-cube-azrt-h7rs=<VERSION_BEFORE_1.0.0> sudo apt-mark hold x-cube-azrt-h7rs

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list x-cube-azrt-h7rs sudo dnf downgrade x-cube-azrt-h7rs-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add x-cube-azrt-h7rs

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

st x-cube-azrtos-f4 DOWNGRADE

Affected: 1.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.0

1. Check installed version

apt-cache policy x-cube-azrtos-f4 || rpm -q x-cube-azrtos-f4 || x-cube-azrtos-f4 --version

2. No fixed release: DOWNGRADE to a release before 1.1.0 (Debian / Ubuntu)

apt-cache madison x-cube-azrtos-f4 sudo apt install x-cube-azrtos-f4=<VERSION_BEFORE_1.1.0> sudo apt-mark hold x-cube-azrtos-f4

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list x-cube-azrtos-f4 sudo dnf downgrade x-cube-azrtos-f4-<VERSION_BEFORE_1.1.0> sudo dnf versionlock add x-cube-azrtos-f4

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

st x-cube-azrtos-f7 DOWNGRADE

Affected: 1.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.0

1. Check installed version

apt-cache policy x-cube-azrtos-f7 || rpm -q x-cube-azrtos-f7 || x-cube-azrtos-f7 --version

2. No fixed release: DOWNGRADE to a release before 1.1.0 (Debian / Ubuntu)

apt-cache madison x-cube-azrtos-f7 sudo apt install x-cube-azrtos-f7=<VERSION_BEFORE_1.1.0> sudo apt-mark hold x-cube-azrtos-f7

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list x-cube-azrtos-f7 sudo dnf downgrade x-cube-azrtos-f7-<VERSION_BEFORE_1.1.0> sudo dnf versionlock add x-cube-azrtos-f7

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

st x-cube-azrtos-g0 DOWNGRADE

Affected: 1.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.0

1. Check installed version

apt-cache policy x-cube-azrtos-g0 || rpm -q x-cube-azrtos-g0 || x-cube-azrtos-g0 --version

2. No fixed release: DOWNGRADE to a release before 1.1.0 (Debian / Ubuntu)

apt-cache madison x-cube-azrtos-g0 sudo apt install x-cube-azrtos-g0=<VERSION_BEFORE_1.1.0> sudo apt-mark hold x-cube-azrtos-g0

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list x-cube-azrtos-g0 sudo dnf downgrade x-cube-azrtos-g0-<VERSION_BEFORE_1.1.0> sudo dnf versionlock add x-cube-azrtos-g0

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

st x-cube-azrtos-g4 DOWNGRADE

Affected: 2.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.0

1. Check installed version

apt-cache policy x-cube-azrtos-g4 || rpm -q x-cube-azrtos-g4 || x-cube-azrtos-g4 --version

2. No fixed release: DOWNGRADE to a release before 2.0.0 (Debian / Ubuntu)

apt-cache madison x-cube-azrtos-g4 sudo apt install x-cube-azrtos-g4=<VERSION_BEFORE_2.0.0> sudo apt-mark hold x-cube-azrtos-g4

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list x-cube-azrtos-g4 sudo dnf downgrade x-cube-azrtos-g4-<VERSION_BEFORE_2.0.0> sudo dnf versionlock add x-cube-azrtos-g4

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

st x-cube-azrtos-h7 DOWNGRADE

Affected: 3.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.3.0

1. Check installed version

apt-cache policy x-cube-azrtos-h7 || rpm -q x-cube-azrtos-h7 || x-cube-azrtos-h7 --version

2. No fixed release: DOWNGRADE to a release before 3.3.0 (Debian / Ubuntu)

apt-cache madison x-cube-azrtos-h7 sudo apt install x-cube-azrtos-h7=<VERSION_BEFORE_3.3.0> sudo apt-mark hold x-cube-azrtos-h7

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list x-cube-azrtos-h7 sudo dnf downgrade x-cube-azrtos-h7-<VERSION_BEFORE_3.3.0> sudo dnf versionlock add x-cube-azrtos-h7

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-45064?

x-cube-azrt-h7rs: downgrade or apply the listed mitigation; x-cube-azrtos-f4: downgrade or apply the listed mitigation; x-cube-azrtos-f7: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-45064 being exploited?

CVE-2024-45064 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-2024-45064 affect?

CVE-2024-45064 affects x-cube-azrt-h7rs, x-cube-azrtos-f4, x-cube-azrtos-f7. Severity is high (CVSS 8.5). A buffer overflow vulnerability exists in the FileX Internal RAM interface functionality of STMicroelectronics X-CUBE-AZRTOS-WL 2.0.0. A specially crafted set of network packets can lead to code execution. An attacker can send a sequence of

How urgent is CVE-2024-45064?

Priority 51/100. High severity; Public exploit reference

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References

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