How severe is CVE-2023-38502?

CVE-2023-38502 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-38502 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38502?

CVE-2023-38502 affects Tdengine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38502?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-38502 published?

CVE-2023-38502 was published on 2023-07-25 and last updated on 2026-06-17.

CVE-2023-38502

CVE-2023-38502 is a medium-severity vulnerability in Tdengine with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Tdengine
Published: 2023-07-25
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-38502?: 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.
How severe is CVE-2023-38502?: CVE-2023-38502 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-38502 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38502?: CVE-2023-38502 affects Tdengine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38502?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-38502 published?: CVE-2023-38502 was published on 2023-07-25 and last updated on 2026-06-17.

References

https://github.com/taosdata/TDengine/security/advisories/GHSA-w23f-r2fm-27hf

Affected products (1)

cpe:2.3:a:tdengine:tdengine:*:*:*:*:*:*:*:*

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