How severe is CVE-2022-35858?

CVE-2022-35858 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-35858 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-35858?

CVE-2022-35858 affects Samsung Mtower. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-35858?

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-2022-35858 published?

CVE-2022-35858 was published on 2022-08-04 and last updated on 2026-06-17.

CVE-2022-35858

CVE-2022-35858 is a high-severity vulnerability in Samsung Mtower with a CVSS 3.x base score of 7.8. 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-401.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-401
Affected product: Samsung Mtower
Published: 2022-08-04
Last modified: 2026-06-17

Description

The TEE_PopulateTransientObject and __utee_from_attr functions in Samsung mTower 0.3.0 allow a trusted application to trigger a memory overwrite, denial of service, and information disclosure by invoking the function TEE_PopulateTransientObject with a large number in the parameter attrCount.

Frequently asked questions

What is CVE-2022-35858?: The TEE_PopulateTransientObject and __utee_from_attr functions in Samsung mTower 0.3.0 allow a trusted application to trigger a memory overwrite, denial of service, and information disclosure by invoking the function TEE_PopulateTransientObject with a large number in the parameter attrCount.
How severe is CVE-2022-35858?: CVE-2022-35858 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-35858 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-35858?: CVE-2022-35858 affects Samsung Mtower. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-35858?: 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-2022-35858 published?: CVE-2022-35858 was published on 2022-08-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:samsung:mtower:0.3.0:*:*:*:*:*:*:*

More vulnerabilities in Samsung Mtower

CVE-2022-40762 — High (CVSS 7.5): A Memory Allocation with Excessive Size Value vulnerablity in the TEE_Realloc function in Samsung mTower through 0.3.0…
CVE-2022-40761 — High (CVSS 7.5): The function tee_obj_free in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service…
CVE-2022-40760 — High (CVSS 7.5): A Buffer Access with Incorrect Length Value vulnerablity in the TEE_MACUpdate function in Samsung mTower through 0.3.0…
CVE-2022-40759 — High (CVSS 7.5): A NULL pointer dereference issue in the TEE_MACCompareFinal function in Samsung mTower through 0.3.0 allows a trusted…
CVE-2022-40758 — High (CVSS 7.5): A Buffer Access with Incorrect Length Value vulnerablity in the TEE_CipherUpdate function in Samsung mTower through…
CVE-2022-40757 — High (CVSS 7.5): A Buffer Access with Incorrect Length Value vulnerablity in the TEE_MACComputeFinal function in Samsung mTower through…

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