CVE-2021-25490
MEDIUMCVSS 6/10EPSS 0.75%
Last modified
CVE-2021-25490 is a medium-severity vulnerability rated 6/10 on the CVSS scale. A keyblob downgrade attack in keymaster prior to SMR Oct-2021 Release 1 allows attacker to trigger IV reuse vulnerability with privileged process.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.
Description
A keyblob downgrade attack in keymaster prior to SMR Oct-2021 Release 1 allows attacker to trigger IV reuse vulnerability with privileged process.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Android | 9.0 | |
| Android | 10.0 | |
| Android | 11.0 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-25490?
A keyblob downgrade attack in keymaster prior to SMR Oct-2021 Release 1 allows attacker to trigger IV reuse vulnerability with privileged process.
How severe is CVE-2021-25490?
CVE-2021-25490 has a CVSS score of 6/10 (MEDIUM severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.
How do I fix CVE-2021-25490?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-25484Improper authentication in InputManagerService prior to SMR …3.3
- CVE-2021-25485Path traversal vulnerability in FactoryAirCommnadManger prio…8
- CVE-2021-25486Exposure of information vulnerability in ipcdump prior to SM…3.3
- CVE-2021-25487Lack of boundary checking of a buffer in set_skb_priv() of m…7.8
- CVE-2021-25488Lack of boundary checking of a buffer in recv_data() of mode…5.5
- CVE-2021-25489Assuming radio permission is gained, missing input validatio…5.5
- CVE-2021-25491A vulnerability in mfc driver prior to SMR Oct-2021 Release …4.4
- CVE-2021-25492Lack of boundary checking of a buffer in libSPenBase library…7.1
- CVE-2021-25493Lack of boundary checking of a buffer in libSPenBase library…7.1
- CVE-2021-25494A possible buffer overflow vulnerability in libSPenBase libr…7.8
- CVE-2021-25495A possible heap buffer overflow vulnerability in libSPenBase…7.8
- CVE-2021-25496A possible buffer overflow vulnerability in maetd_dec_slice …7.8
Are you affected by CVE-2021-25490?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST