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Fencer Vulns
medium 6.7

CVE-2023-20819 json

In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check.

published 2023-10-02 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-24998

cvss
6.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

  • 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
  • mediatek mt2731
  • mediatek mt6570
  • mediatek mt6580
  • mediatek mt6595
  • mediatek mt6732
  • mediatek mt6735
  • mediatek mt6737
  • mediatek mt6737m
  • mediatek mt6738
  • 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

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.