How severe is CVE-2024-45431?

CVE-2024-45431 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2024-45431 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-45431?

CVE-2024-45431 affects Opensynergy Blue Sdk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-45431?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-45431 have an EU (EUVD) identifier?

Yes. CVE-2024-45431 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-55014.

When was CVE-2024-45431 published?

CVE-2024-45431 was published on 2025-09-12 and last updated on 2026-06-17.

CVE-2024-45431

CVE-2024-45431 is a medium-severity vulnerability in Opensynergy Blue Sdk with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-55014
Weakness: CWE-20
Affected product: Opensynergy Blue Sdk
Published: 2025-09-12
Last modified: 2026-06-17

Description

OpenSynergy BlueSDK (aka Blue SDK) through 6.x has Improper Input Validation. The specific flaw exists within the BlueSDK Bluetooth stack. The issue results from the lack of proper validation of remote L2CAP channel ID (CID). An attacker can leverage this to create an L2CAP channel with the null identifier assigned as a remote CID.

Frequently asked questions

What is CVE-2024-45431?: OpenSynergy BlueSDK (aka Blue SDK) through 6.x has Improper Input Validation. The specific flaw exists within the BlueSDK Bluetooth stack. The issue results from the lack of proper validation of remote L2CAP channel ID (CID). An attacker can leverage this to create an L2CAP channel with the null identifier assigned as a remote CID.
How severe is CVE-2024-45431?: CVE-2024-45431 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2024-45431 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-45431?: CVE-2024-45431 affects Opensynergy Blue Sdk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-45431?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-45431 have an EU (EUVD) identifier?: Yes. CVE-2024-45431 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-55014.
When was CVE-2024-45431 published?: CVE-2024-45431 was published on 2025-09-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opensynergy:blue_sdk:*:*:*:*:*:*:*:*

More vulnerabilities in Opensynergy Blue Sdk

CVE-2024-45434 — Critical (CVSS 9.8): OpenSynergy BlueSDK (aka Blue SDK) through 6.x has a Use-After-Free. The specific flaw exists within the BlueSDK…
CVE-2024-45432 — High (CVSS 7.5): OpenSynergy BlueSDK (aka Blue SDK) through 6.x mishandles a function call. The specific flaw exists within the BlueSDK…
CVE-2018-20378 — High (CVSS 7.5): The L2CAP signaling channel implementation and SDP server implementation in OpenSynergy Blue SDK 3.2 through 6.0 allow…
CVE-2024-45433 — Medium (CVSS 6.5): OpenSynergy BlueSDK (aka Blue SDK) through 6.x has Incorrect Control Flow Scoping. The specific flaw exists within the…

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