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[email protected]CVE-2020-9502

HistoryMay 13, 2020 - 4:15 p.m.

CVE-2020-9502

2020-05-1316:15:13

CWE-330

[email protected]

web.nvd.nist.gov

dahua

cve-2020-9502

session id

predictable

vulnerability

nvd

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.8%

JSON

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.

Affected configurations

NVD

Node

dahuasecuritysd6al_firmwareRange<2019-12

AND

dahuasecuritysd6alMatch-

Node

dahuasecuritysd5a_firmwareRange<2019-12

AND

dahuasecuritysd5aMatch-

Node

dahuasecuritysd1a_firmwareRange<2019-12

AND

dahuasecuritysd1aMatch-

Node

dahuasecurityptz1a_firmwareRange<2019-12

AND

dahuasecurityptz1aMatch-

Node

dahuasecuritysd50_firmwareRange<2019-12

AND

dahuasecuritysd50Match-

Node

dahuasecuritysd52c_firmwareRange<2019-12

AND

dahuasecuritysd52cMatch-

Node

dahuasecurityipc-hx5842h_firmwareRange<2019-12

AND

dahuasecurityipc-hx5842hMatch-

Node

dahuasecurityipc-hx7842h_firmwareRange<2019-12

AND

dahuasecurityipc-hx7842hMatch-

Node

dahuasecurityipc-hx2xxx_firmwareRange<2019-12

AND

dahuasecurityipc-hx2xxxMatch-

Node

dahuasecurityipc-hxxx5x4x_firmwareRange<2019-12

AND

dahuasecurityipc-hxxx5x4xMatch-

Node

dahuasecurityn42b1p_firmwareRange<2019-12

AND

dahuasecurityn42b1pMatch-

Node

dahuasecurityn42b2p_firmwareRange<2019-12

AND

dahuasecurityn42b2pMatch-

Node

dahuasecurityn42b3p_firmwareRange<2019-12

AND

dahuasecurityn42b3pMatch-

Node

dahuasecurityn52a4p_firmwareRange<2019-12

AND

dahuasecurityn52a4pMatch-

Node

dahuasecurityn54a4p_firmwareRange<2019-12

AND

dahuasecurityn54a4pMatch-

Node

dahuasecurityn52b2p_firmwareRange<2019-12

AND

dahuasecurityn52b2pMatch-

Node

dahuasecurityn52b5p_firmwareRange<2019-12

AND

dahuasecurityn52b5pMatch-

Node

dahuasecurityn52b3p_firmwareRange<2019-12

AND

dahuasecurityn52b3pMatch-

Node

dahuasecurityn54b2p_firmwareRange<2019-12

AND

dahuasecurityn54b2pMatch-

Node

dahuasecurityipc-hdbw1320e-w_firmwareRange<2019-12

AND

dahuasecurityipc-hdbw1320e-wMatch-

CPENameOperatorVersion
dahuasecurity:sd6al_firmwaredahuasecurity sd6al firmwarelt2019-12

CPE	Name	Operator	Version
dahuasecurity:sd6al_firmware	dahuasecurity sd6al firmware	lt	2019-12

CNA Affected

[
  {
    "product": "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,IPC-HFW1431S",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Versions which Build time before December,2019"
      }
    ]
  }
]

References

www.dahuasecurity.com/support/cybersecurity/details/777

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.8%

JSON

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