CVE-2020-9502
Critical
Description
Some Dahua products with Build time before December 2019 have Session ID predictable vulnerabilities. During normal user access, an attacker can use the predicted Session ID to construct a data packet to attack the device.
SeverityCritical
CVSS9.8
Exploit probability—
ProductDahuasecurity Sd6al Firmware
PublishedMay 13, 2020
First seenMay 13, 2020
How to fix
Update
- dahuasecurity sd6al_firmware2019-12 or later
- dahuasecurity sd5a_firmware2019-12 or later
- dahuasecurity sd1a_firmware2019-12 or later
- dahuasecurity ptz1a_firmware2019-12 or later
- dahuasecurity sd50_firmware2019-12 or later
- dahuasecurity sd52c_firmware2019-12 or later
- dahuasecurity ipc-hx5842h_firmware2019-12 or later
- dahuasecurity ipc-hx7842h_firmware2019-12 or later
- dahuasecurity ipc-hx2xxx_firmware2019-12 or later
- dahuasecurity ipc-hxxx5x4x_firmware2019-12 or later
- dahuasecurity n42b1p_firmware2019-12 or later
- dahuasecurity n42b2p_firmware2019-12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dahuasecurity sd6al_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity sd5a_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity sd1a_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity ptz1a_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity sd50_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity sd52c_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity ipc-hx5842h_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity ipc-hx7842h_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity ipc-hx2xxx_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity ipc-hxxx5x4x_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n42b1p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n42b2p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n42b3p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n52a4p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n54a4p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n52b2p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n52b5p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n52b3p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity n54b2p_firmware | v < 2019-12 | 2019-12 |
| dahuasecurity ipc-hdbw1320e-w_firmware | v < 2019-12 | 2019-12 |
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