HOMEVULNERABILITIESCVE-2023-20623
MEDIUM

CVE-2023-20623

CWE-367Published: March 7, 2023· Updated: Jun 17, 2026

6.4
CVSS v3.1

Official Description

In ion, there is a possible escalation of privilege due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07559778; Issue ID: ALPS07559778.

NVD Source

Technical Analysis

CVE-2023-20623 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.4.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Google1 product(s)
android
mediatek35 product(s)
mt6580mt6735mt6737mt6739mt6753mt6757mt6757cmt6757cdmt6757chmt6761mt6762mt6763+23
yoctoproject1 product(s)
yocto
Source: NVD CPE · 41 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://corp.mediatek.com/product-security-bulletin/March-2023
ADVISORYhttps://corp.mediatek.com/product-security-bulletin/March-2023

All References (2)

→
https://corp.mediatek.com/product-security-bulletin/March-2023Vendor Advisory
→
https://corp.mediatek.com/product-security-bulletin/March-2023Vendor Advisory

Quick Facts

CVE IDCVE-2023-20623
CVSS Score6.4 / 10
SeverityMEDIUM
WeaknessCWE-367
CISA KEVNo
Affected3 vendor(s)
PublishedMar 7, 2023

Related CVEs (CWE-367)

CVE-2025-64180
10.0
CVE-2024-50379
9.8
CVE-2024-27114
9.8
CVE-2023-33154
9.8
CVE-2024-56337
9.8
CVE-2026-53838
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-20623 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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