01 Record
CVE-2020-9502
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
UnratedPUBLISHEDCNA: dahua
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.52% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 74.1% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-05-13 15:21Z6 YR AGO
- Last updated
- 2024-08-04 10:34Z2 YR AGO
- Reserved
- 2020-03-01
- Assigning CNA
- dahua
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-330Use of Insufficiently Random ValuesClass
- Data version
- 5.1
- Document digest
- 8e5117f13390b013784c74bcab9f15abd40981b0beb285a1761abbe9b15b341f
05 Affected products
VendorProductVersionsPlatforms
n/aIPC-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-HFW1431SVersions which Build time before December,2019—
06 References
- www.dahuasecurity.comhttps://www.dahuasecurity.com/support/cybersecurity/details/777