Is CVE-2020-9502 actively exploited?

No active exploitation of CVE-2020-9502 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-9502 be exploited remotely?

Yes. CVE-2020-9502 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-9502?

CVE-2020-9502 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2020-9502

CRITICAL

CVE-2020-9502

CWE-330Published: May 13, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-9502 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.