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Fencer Vulns
medium 6.7

CVE-2023-20814 json

In wlan service, there is a possible out of bounds write due to improper input validation.

published 2023-08-07 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-24993

cvss
6.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 0%
public exploits
0
none known

Summary

In wlan service, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07453560; Issue ID: ALPS07453560.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.10% chance of exploitation in the next 30 days, higher than 0% 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 6.7 CVSS:3.1/AV:L/AC:L/PR:H/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. MT6580, MT6739, MT6761, MT6765, MT6768, MT6779, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985
  • mediatek mt6580
  • mediatek mt6739
  • mediatek mt6761
  • mediatek mt6765
  • mediatek mt6768
  • mediatek mt6779
  • mediatek mt6781
  • mediatek mt6833
  • mediatek mt6853
  • mediatek mt6853t
  • mediatek mt6855
  • mediatek mt6873
  • mediatek mt6875
  • mediatek mt6877
  • mediatek mt6879
  • mediatek mt6883
  • mediatek mt6885
  • mediatek mt6886
  • mediatek mt6889
  • mediatek mt6891
  • mediatek mt6893
  • mediatek mt6895
  • mediatek mt6983
  • mediatek mt6985
  • google android

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.