CVE-2023-20702 — HIGH (7.5)

Vulnerability 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 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mediatek	Nr15	-
Mediatek	Nr16	-
Mediatek	Nr17	-
Mediatek	Mt6835	-
Mediatek	Mt6873	-
Mediatek	Mt6875	-
Mediatek	Mt6879	-
Mediatek	Mt6883	-
Mediatek	Mt6885	-
Mediatek	Mt6886	-
Mediatek	Mt6889	-
Mediatek	Mt6895	-
Mediatek	Mt6980	-
Mediatek	Mt6983	-
Mediatek	Mt6985	-
Mediatek	Mt6990	-
Mediatek	Mt8673	-
Mediatek	Mt8675	-
Mediatek	Mt8791	-
Mediatek	Mt8791T	-

References

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

FAQ

What is CVE-2023-20702?

CVE-2023-20702 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 pr...

How severe is CVE-2023-20702?

CVE-2023-20702 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-20702?

Check the references section above for vendor advisories and patch information. Affected products include: Mediatek Nr15, Mediatek Nr16, Mediatek Nr17, Mediatek Mt6835, Mediatek Mt6873.