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Fencer Vulns
critical 9.1

CVE-2023-43551 json

Improper Authentication in Multi-Mode Call Processor

published 2024-06-03 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47957

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits
0
none known

Summary

Cryptographic issue while performing attach with a LTE network, a rogue base station can skip the authentication phase and immediately send the Security Mode Command.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

  • Qualcomm, Inc. Snapdragon
  • qualcomm 315_5g_iot_modem_firmware
  • qualcomm 9205_lte_modem_firmware
  • qualcomm 9206_lte_modem_firmware
  • qualcomm 9207_lte_modem_firmware
  • qualcomm apq8017_firmware
  • qualcomm apq8037_firmware
  • qualcomm aqt1000_firmware
  • qualcomm ar6003_firmware
  • qualcomm ar8035_firmware
  • qualcomm c-v2x_9150_firmware
  • qualcomm csra6620_firmware
  • qualcomm csra6640_firmware
  • qualcomm csrb31024_firmware
  • qualcomm fastconnect_6200_firmware
  • qualcomm fastconnect_6700_firmware
  • qualcomm fastconnect_6800_firmware
  • qualcomm fastconnect_6900_firmware
  • qualcomm fastconnect_7800_firmware
  • qualcomm mdm8207_firmware
  • qualcomm mdm9205s_firmware
  • qualcomm mdm9230_firmware
  • qualcomm mdm9250_firmware
  • qualcomm mdm9330_firmware
  • qualcomm mdm9615_firmware
  • qualcomm mdm9628_firmware
  • qualcomm mdm9630_firmware
  • qualcomm mdm9640_firmware
  • qualcomm msm8108_firmware
  • qualcomm msm8209_firmware
  • qualcomm msm8608_firmware
  • qualcomm msm8909w_firmware
  • qualcomm msm8996au_firmware
  • qualcomm qca4004_firmware
  • qualcomm qca6174_firmware
  • qualcomm qca6174a_firmware
  • qualcomm qca6310_firmware
  • qualcomm qca6320_firmware
  • qualcomm qca6335_firmware
  • qualcomm qca6391_firmware
  • qualcomm qca6420_firmware
  • qualcomm qca6421_firmware
  • qualcomm qca6426_firmware
  • qualcomm qca6430_firmware
  • qualcomm qca6431_firmware
  • qualcomm qca6436_firmware
  • qualcomm qca6564a_firmware
  • qualcomm qca6564au_firmware
  • qualcomm qca6574_firmware
  • qualcomm qca6574a_firmware

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.