Skip to content
Fencer Intel
medium 4.9

CVE-2020-9500 json

Some products of Dahua have Denial of Service vulnerabilities.

published 6y ago modified 4mo ago also EUVD-2020-30306

cvss
4.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

Some products of Dahua have Denial of Service vulnerabilities. After the successful login of the legal account, the attacker sends a specific log query command, which may cause the device to go down.

Patch / fix

  • dahuasecurity sd6al_firmware 2019-12
  • dahuasecurity sd5a_firmware 2019-12
  • dahuasecurity sd1a_firmware 2019-12
  • dahuasecurity ptz1a_firmware 2019-12
  • dahuasecurity sd50_firmware 2019-12
  • dahuasecurity sd52c_firmware 2019-12
  • dahuasecurity ipc-hx5842h_firmware 2019-12
  • dahuasecurity ipc-hx7842h_firmware 2019-12
  • dahuasecurity ipc-hx2xxx_firmware 2019-12
  • dahuasecurity ipc-hxxx5x4x_firmware 2019-12
  • dahuasecurity n42b1p_firmware 2019-12
  • dahuasecurity n42b2p_firmware 2019-12
  • dahuasecurity n42b3p_firmware 2019-12
  • dahuasecurity n52a4p_firmware 2019-12
  • dahuasecurity n54a4p_firmware 2019-12
  • dahuasecurity n52b2p_firmware 2019-12
  • dahuasecurity n52b5p_firmware 2019-12
  • dahuasecurity n52b3p_firmware 2019-12
  • dahuasecurity n54b2p_firmware 2019-12

Is CVE-2020-9500 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

Affected products

  • n/a IPC-HX2XXX Series,IPC-HXXX5X4X Series,IPC-HX5842H,IPC-HX7842H,NVR 5x Series,NVR 4x Series,SD6AL Series,SD5A Series,SD1A Series,PTZ1A Series,SD50/52C Series

References

Sources

Fencer Intel 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.