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CVE-2025-21433

NULL Pointer Dereference in SPS-HLOS

6.2 Medium

Transient DOS when importing a PKCS#8-encoded RSA private key with a zero-sized modulus.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.09%Up 0.1 points since Jul 9, 2025
90%50%10%1%

What each source reports

CVE List Score used 6.2

NULL Pointer Dereference in SPS-HLOS

Transient DOS when importing a PKCS#8-encoded RSA private key with a zero-sized modulus.

Record
CVE-2025-21433
CVSS 3.1
6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-02
EUVDEUVD-2025-20490 6.2

Transient DOS when importing a PKCS#8-encoded RSA private key with a zero-sized modulus.

Record
EUVD-2025-20490
CVSS 3.1
6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-28jm-h53g-x4fr 6.2

Transient DOS when importing a PKCS#8-encoded RSA private key with a zero-sized modulus.

Transient DOS when importing a PKCS#8-encoded RSA private key with a zero-sized modulus.

Record
GHSA-28jm-h53g-x4fr
CVSS 3.1
6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-02
NVD 6.2

Transient DOS when importing a PKCS#8-encoded RSA private key with a zero-sized modulus.

Record
CVE-2025-21433
CVSS 3.1
6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-21433 is a medium vulnerability (CVSS 6.2) in Qualcomm 215 Mobile Firmware, published July 8, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.09%, the 0th percentile. No source names a fixed version.

References

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