CVE-2024-35618Public exploitNetwork attack vector

Session disconnect via SortedRowContainer nil dereference

Published May 24, 2024 · Updated Feb 13, 2025

NULL pointer dereference in PingCAP TiDB 7.5.1 allows remote attackers to disconnect one database session with a crafted SQL query. SortedRowContainer.Add performs a memory access through a nil pointer while processing sorted rows for a pipelined window query. The consequence is confined to the issuing query and session; PingCAP reports no effect on other connections or users.

CVSS severity7.5
High
EPSS probability0.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

NULL pointer dereference in PingCAP TiDB 7.5.1 allows remote attackers to disconnect one database session with a crafted SQL query. SortedRowContainer.Add performs a memory access through a nil pointer while processing sorted rows for a pipelined window query. The consequence is confined to the issuing query and session; PingCAP reports no effect on other connections or users.

The record

CVE
CVE-2024-35618
Published
May 24, 2024
Updated
Feb 13, 2025
Vendor
PingCAP
Product
TiDB
Classifications
CWE-476
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 24, 2024CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.5.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

PingCAP · TiDBversion=7.5.1

Published CVSS scores

7.5CISA ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-476NULL Pointer Dereference

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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