6.5

CVE-2025-21518: oracle corporation mysql cluster

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2025-21518
Published 21-01-2025Last modified 03-11-2025
Open JSON

Vulnerability summary

CVE-2025-21518 is a medium (CVSS 6.5) vulnerability in oracle corporation mysql cluster. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 64.6% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.08%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 1
RHSA-2025:1671RHSA-2025:1673USN-7245-1

Timeline

  1. 21-01-2025
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.40 and prior, 8.4.3 and prior and 9.1.0 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.08%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.08% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu5 products
  • mysql-5.5All versions (No fix recorded)
  • mysql-5.7All versions (No fix recorded)
  • mysql-8.0< 8.0.41-0ubuntu0.20.04.1 | < 8.0.41-0ubuntu0.22.04.1 | < 8.0.41-0ubuntu0.24.04.1
  • percona-server-5.6All versions (No fix recorded)
  • percona-xtradb-cluster-5.6All versions (No fix recorded)
Oracle2 products
  • mysql_cluster≥ 7.6.0, ≤ 7.6.32 | ≥ 8.0.0, ≤ 8.0.40 | ≥ 8.4.0, ≤ 8.4.3 | ≥ 9.0.0, ≤ 9.1.0
  • mysql_server≥ 8.0.0, ≤ 8.0.40 | ≥ 8.4.0, ≤ 8.4.3 | ≥ 9.0.0, ≤ 9.1.0
Oracle corporation2 products

3 vendors · 9 products

References

5 links