CVE-2023-21451
HIGH
7.8
CVSS Score
Published: February 9, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:32 AM UTC
2 products affected across 2 vendorsAndroidSamsung Mobile Devices
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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
A Stack-based overflow vulnerability in IpcRxEmbmsSessionList in SECRIL prior to Android S(12) allows attacker to cause memory corruptions.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
12.012.0 smr-apr-2022-r112.0 smr-apr-2023-r112.0 smr-aug-2022-r112.0 smr-aug-2023-r112.0 smr-dec-2021-r112.0 smr-dec-2022-r112.0 smr-dec-2023-r112.0 smr-feb-2022-r112.0 smr-feb-2023-r112.0 smr-jan-2022-r112.0 smr-jul-2022-r112.0 smr-jul-2023-r112.0 smr-jun-2022-r112.0 smr-jun-2023-r112.0 smr-mar-2022-r112.0 smr-mar-2023-r112.0 smr-may-2022-r112.0 smr-may-2023-r112.0 smr-nov-2021-r112.0 smr-nov-2022-r112.0 smr-nov-2023-r112.0 smr-oct-2022-r112.0 smr-oct-2023-r112.0 smr-sep-2022-r112.0 smr-sep-2023-r1
v < Android S(12)
Affected range stops below Android S(12), so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor Advisory
Source: [email protected]
https://security.samsungmobile.com/serviceWeb.smsb?year=2022&month=04SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20CWE-787
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