CVE-2023-30636

Name: CVE-2023-30636
Creator: NVD / NIST
Published: 2023-04-13T23:15:11.65+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.95%

Last modified Jun 17, 2026

CVE-2023-30636 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. TiKV 6.1.2 allows remote attackers to cause a denial of service (fatal error, with RpcStatus UNAVAILABLE for "not leader") upon an attempt to start a node in a situation where the context deadline is exceeded. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

Description

TiKV 6.1.2 allows remote attackers to cause a denial of service (fatal error, with RpcStatus UNAVAILABLE for "not leader") upon an attempt to start a node in a situation where the context deadline is exceeded

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.95%

56.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Tikv	Tikv	6.1.2

References

https://github.com/tikv/tikv/issues/14517Exploit, Issue Tracking
https://github.com/tikv/tikv/issues/14517Exploit, Issue Tracking

Timeline

Published: Apr 13, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-30636?

How severe is CVE-2023-30636?

CVE-2023-30636 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.

How do I fix CVE-2023-30636?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-30636?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST