4.9

CVE-2025-21543: oracle corporation mysql cluster

CVSS: 4.9v3.1MediumModified
AliasesUBUNTU-CVE-2025-21543
Published 21-01-2025Last modified 03-11-2025
Open JSON

Vulnerability summary

CVE-2025-21543 is a medium (CVSS 4.9) vulnerability in oracle corporation mysql cluster. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58.1% of scored vulnerabilities.

Overall risk
20/100
0100
Low · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.87%
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 2
RHSA-2025:1671RHSA-2025:1673

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: Packaging). 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 high 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 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.87%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

0.00 pp

From 0.87% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.87%

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

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
Ubuntu2 products
  • percona-server-5.6All versions (No fix recorded)
  • percona-xtradb-cluster-5.6All versions (No fix recorded)

3 vendors · 6 products

References

4 links