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TI-2023-19882 Aliases CVE-2023-38502

TDengine Database Denial-of-Service

Priority MEDIUM 62CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to version 3.0.7.1, TDengine DataBase crashes on UDF nested query. This issue affects TDengine Databases which let users connect and run arbitrary queries. Version 3.0.7.1 has a patch for this issue.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00678 52nd percentileScored 2026-11-07
Fix Fixed TDengine (taosdata): 3.0.7.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
taosdataTDenginebefore 3.0.7.13.0.7.1Patch availableCNA
  • TDengine Vendortaosdata Affected before 3.0.7.1 Fixed in 3.0.7.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tdengine:tdengine:*:*:*:*:*:*:*:*before 3.0.7.1Vulnerabletaosdata
  • cpe:2.3:a:tdengine:tdengine:*:*:*:*:*:*:*:* Versions before 3.0.7.1 Vulnerable ·taosdata

Remediation

  • Fix · CNA TDengine (taosdata) Fixed in 3.0.7.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-38502

References

Advisory 1

  • TI-2026-30822 TDengine has an integer underflow in uvConnMayGetUserInfo() allows unauthenticated remote crash (DoS) CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences