How severe is CVE-2021-25358?

CVE-2021-25358 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-25358 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25358?

CVE-2021-25358 primarily affects Google Android. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-25358?

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

When was CVE-2021-25358 published?

CVE-2021-25358 was published on 2021-04-09 and last updated on 2026-06-17.

CVE-2021-25358

CVE-2021-25358 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 4.0. 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-276.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
CVSS v2: 2.1
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Google Android
Published: 2021-04-09
Last modified: 2026-06-17

Description

A vulnerability that stores IMSI values in an improper path prior to SMR APR-2021 Release 1 allows local attackers to access IMSI values without any permission via untrusted applications.

Frequently asked questions

What is CVE-2021-25358?: A vulnerability that stores IMSI values in an improper path prior to SMR APR-2021 Release 1 allows local attackers to access IMSI values without any permission via untrusted applications.
How severe is CVE-2021-25358?: CVE-2021-25358 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-25358 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25358?: CVE-2021-25358 primarily affects Google Android. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-25358?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25358 published?: CVE-2021-25358 was published on 2021-04-09 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*

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