CVE-2023-20819
In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This...
In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation. Patch ID: MOLY01068234; Issue ID: ALPS08010003.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation. Patch ID: MOLY01068234; Issue ID: ALPS08010003.
- Record
CVE-2023-20819- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List
In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation. Patch ID: MOLY01068234; Issue ID: ALPS08010003.
- Record
CVE-2023-20819- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2023-24998
In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation. Patch ID: MOLY01068234; Issue ID: ALPS08010003.
- Record
EUVD-2023-24998- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j4jq-q994-j2wv
In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This...
In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation. Patch ID: MOLY01068234; Issue ID: ALPS08010003.
- Record
GHSA-j4jq-q994-j2wv- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
- mediatek lr11
- mediatek lr12a
- mediatek lr13
- mediatek mt2731
- mediatek mt6570
- mediatek mt6580
- mediatek mt6595
- mediatek mt6732
- mediatek mt6735
- mediatek mt6737
- mediatek mt6737m
- mediatek mt6738
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- mediatek mt6739
- mediatek mt6750
- mediatek mt6750s
- mediatek mt6752
- mediatek mt6753
- mediatek mt6755
- mediatek mt6757
- mediatek mt6758
- mediatek mt6761
- mediatek mt6762
- mediatek mt6762d
- mediatek mt6762m
- mediatek mt6763
- mediatek mt6765
- mediatek mt6765t
- mediatek mt6767
- mediatek mt6768
- mediatek mt6769
- mediatek mt6769t
- mediatek mt6769z
- mediatek mt6771
- mediatek mt6775
- mediatek mt6779
- mediatek mt6781
- mediatek mt6783
- mediatek mt6785
- mediatek mt6785t
- mediatek mt6789
- mediatek mt6795
- mediatek mt6797
- mediatek mt6799
- mediatek mt6813
- mediatek mt6815
- mediatek mt6833
- mediatek mt6835
- mediatek mt6853
- mediatek mt6855
- mediatek mt6873
- mediatek mt6875
- mediatek mt6875t
- mediatek mt6877
- mediatek mt6878
- mediatek mt6879
- mediatek mt6883
- mediatek mt6885
- mediatek mt6886
- mediatek mt6889
- mediatek mt6891
- mediatek mt6893
- mediatek mt6895
- mediatek mt6895t
- mediatek mt6896
- mediatek mt6897
- mediatek mt6983
- mediatek mt6985
- mediatek mt6989
- mediatek mt8666
- mediatek mt8666a
- mediatek mt8667
- mediatek mt8673
- mediatek mt8675
- mediatek mt8765
- mediatek mt8766
- mediatek mt8766z
- mediatek mt8768
- mediatek mt8768a
- mediatek mt8768b
- mediatek mt8768t
- mediatek mt8768z
- mediatek mt8781
- mediatek mt8786
- mediatek mt8788
- mediatek mt8788t
- mediatek mt8788x
- mediatek mt8788z
- mediatek mt8791
- mediatek mt8791t
- mediatek mt8797
- mediatek mt8798
- mediatek nr15
- mediatek nr16
- mediatek nr17
- mediatek, inc. mt2731, mt6570, mt6580, mt6595, mt6732, mt6735, mt6737, mt6737m, mt6738, mt6739, mt6750, mt6750s, mt6752, mt6753, mt6755, mt6757, mt6758, mt6761, mt6762, mt6762d, mt6762m, mt6763, mt6765, mt6765t, mt6767, mt6768, mt6769, mt6769t, mt6769z, mt6771, mt6775, mt6779, mt6781, mt6783, mt6785, mt6785t, mt6789, mt6795, mt6797, mt6799, mt6813, mt6815, mt6833, mt6835, mt6853, mt6855, mt6873, mt6875, mt6875t, mt6877, mt6878, mt6879, mt6883, mt6885, mt6886, mt6889, mt6891, mt6893, mt6895, mt6895t, mt6896, mt6897, mt6983, mt6985, mt6989, mt8666, mt8666a, mt8667, mt8673, mt8675, mt8765, mt8766, mt8766z, mt8768, mt8768a, mt8768b, mt8768t, mt8768z, mt8781, mt8786, mt8788, mt8788t, mt8788x, mt8788z, mt8791, mt8791t, mt8797, mt8798
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:unknown:Android |
SoCVersion:0 up to SoCVersion:2023-10-05, plus listed versions SoCVersion |
SoCVersion:2023-10-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-20819 is a critical vulnerability (CVSS 9.8) in Mediatek Lr11, published October 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.68%, the 52nd percentile. Fixed in :unknown: SoCVersion:2023-10-05.