CVE-2023-24033
CVE-2023-24033 is a high-severity vulnerability in Samsung Exynos Modem 5300 Firmware with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 35% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 35% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Samsung Exynos Modem 5300 Firmware
- Published:
- Last modified:
Description
The Samsung Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, and Exynos Auto T512 baseband modem chipsets do not properly check format types specified by the Session Description Protocol (SDP) module, which can lead to a denial of service.
Frequently asked questions
- What is CVE-2023-24033?
- The Samsung Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, and Exynos Auto T512 baseband modem chipsets do not properly check format types specified by the Session Description Protocol (SDP) module, which can lead to a denial of service.
- How severe is CVE-2023-24033?
- CVE-2023-24033 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-24033 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-24033?
- CVE-2023-24033 primarily affects Samsung Exynos Modem 5300 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-24033?
- 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-2023-24033 published?
- CVE-2023-24033 was published on 2023-03-13 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/172137/Shannon-Baseband-accept-type-SDP-Attribute-Memory-Corruption.html
- https://semiconductor.samsung.com/processor/modem/
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/
Affected products (5)
- cpe:2.3:o:samsung:exynos_modem_5300_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:samsung:exynos_modem_5123_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:samsung:exynos_auto_t5123_firmware:-:*:*:*:*:*:*:*
More vulnerabilities in Samsung Exynos Modem 5300 Firmware
- CVE-2025-54328 — Critical (CVSS 10.0): An issue was discovered in SMS in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080,…
- CVE-2025-62818 — Critical (CVSS 9.8): An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100,…
- CVE-2025-58349 — Critical (CVSS 9.1): An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080,…
- CVE-2025-27891 — Critical (CVSS 9.1): An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100,…
- CVE-2023-26496 — High (CVSS 8.6): An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos…
- CVE-2023-26498 — High (CVSS 8.6): An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos…
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