High severity · published Nov 6, 2023
CVE-2023-20702
In 5G NRLC, there is a possible invalid memory access due to lack of error handling
7.5
CVSS
1.1%
EPSS
No
On KEV
Description
In 5G NRLC, there is a possible invalid memory access due to lack of error handling. This could lead to remote denial of service, if UE received invalid 1-byte rlc sdu, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00921261; Issue ID: MOLY01128895.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NR
Nr15 · Mediatek
All versions, or not specified · source: NVD
NR
Nr16 · Mediatek
All versions, or not specified · source: NVD
NR
Nr17 · Mediatek
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-20702
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-20702
Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/November-2023
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