How severe is CVE-2024-37820?

CVE-2024-37820 has a CVSS 3.x base score of 5.4, 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 low, and availability low.

Is CVE-2024-37820 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-37820?

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

Does CVE-2024-37820 have an EU (EUVD) identifier?

Yes. CVE-2024-37820 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2219.

When was CVE-2024-37820 published?

CVE-2024-37820 was published on 2024-06-25 and last updated on 2026-06-17.

CVE-2024-37820

CVE-2024-37820 is a medium-severity vulnerability with a CVSS 3.x base score of 5.4. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2219
Weakness: CWE-476
Published: 2024-06-25
Last modified: 2026-06-17

Description

A nil pointer dereference in PingCAP TiDB v8.2.0-alpha-216-gfe5858b allows attackers to crash the application via expression.inferCollation.

Frequently asked questions

What is CVE-2024-37820?: A nil pointer dereference in PingCAP TiDB v8.2.0-alpha-216-gfe5858b allows attackers to crash the application via expression.inferCollation.
How severe is CVE-2024-37820?: CVE-2024-37820 has a CVSS 3.x base score of 5.4, 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 low, and availability low.
Is CVE-2024-37820 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-37820?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-37820 have an EU (EUVD) identifier?: Yes. CVE-2024-37820 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2219.
When was CVE-2024-37820 published?: CVE-2024-37820 was published on 2024-06-25 and last updated on 2026-06-17.

References

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

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CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
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CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

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