CVE-2022-24936
CVE-2022-24936 is a high-severity vulnerability in Silabs Gecko Bootloader with a CVSS 3.x base score of 8.3. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 8.3)
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Silabs Gecko Bootloader
- Published:
- Last modified:
Description
Out-of-Bounds error in GBL parser in Silicon Labs Gecko Bootloader version 4.0.1 and earlier allows attacker to overwrite flash Sign key and OTA decryption key via malicious bootloader upgrade.
Frequently asked questions
- What is CVE-2022-24936?
- Out-of-Bounds error in GBL parser in Silicon Labs Gecko Bootloader version 4.0.1 and earlier allows attacker to overwrite flash Sign key and OTA decryption key via malicious bootloader upgrade.
- How severe is CVE-2022-24936?
- CVE-2022-24936 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.
- Is CVE-2022-24936 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-24936?
- CVE-2022-24936 affects Silabs Gecko Bootloader. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-24936?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-24936 published?
- CVE-2022-24936 was published on 2022-11-02 and last updated on 2026-06-17.
References
- https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000Gdop4QAB?operationContext=S1
- https://github.com/SiliconLabs/gecko_sdk/blame/2e82050dc8823c9fe0e8908c1b2666fb83056230/platform/bootloader/core/btl_bootload.c
Affected products (1)
- cpe:2.3:a:silabs:gecko_bootloader:*:*:*:*:*:*:*:*
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