Is CVE-2021-25487 in the CISA KEV catalog?

Yes. CVE-2021-25487 is on the CISA Known Exploited Vulnerabilities list, added 2023-06-29.

What is the CVSS severity of CVE-2021-25487?

CVE-2021-25487 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2021-25487?

CVE-2021-25487 has an EPSS score of 0.62% (45th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2021-25487

HIGHCISA KEV

7.3

CVSS v3

NVD

Description

Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.

CWE-125Out-of-bounds Read

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Exploit Intelligence

0.62%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Samsung Mobile Devices Out-of-Bounds Read Vulnerability

Samsung mobile devices contain an out-of-bounds read vulnerability within the modem interface driver due to a lack of boundary checking of a buffer in set_skb_priv(), leading to remote code execution by dereference of an invalid function pointer.

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

Remediation due: 2023-07-20

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-30.