CVE-2023-20702: mediatek, inc. mt6835, mt6873, mt6875, mt6879, mt6883, mt6885, mt6886, mt6889, mt6895, mt6980, mt6983, mt6985, mt6990, mt8673, mt8675, mt8791, mt8791t, mt8797, mt8798
Vulnerability summary
CVE-2023-20702 is a high (CVSS 7.5) vulnerability in mediatek, inc. mt6835, mt6873, mt6875, mt6879, mt6883, mt6885, mt6886, mt6889, mt6895, mt6980, mt6983, mt6985, mt6990, mt8673, mt8675, mt8791, mt8791t, mt8797, mt8798. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 64.6% of scored vulnerabilities.
Timeline
- 06-11-2023PublishedVulnerability first disclosed.
- 05-09-2024Last modifiedVulnerability information updated.
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 metrics
2 scores · 2 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.08%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
0.00 pp
From 1.08% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Mediatek, inc.1 product
2 vendors · 4 products
References
1 links- corp.mediatek.com/product-security-bulletin/November-2023Vendor Advisory