5.4

CVE-2025-21540: oracle corporation mysql server Incorrect Authorization

CVSS: 5.4v3.1MediumModified
AliasesUBUNTU-CVE-2025-21540
Published 21-01-2025Last modified 03-11-2025
Open JSON

Vulnerability summary

CVE-2025-21540 is a medium (CVSS 5.4) Incorrect Authorization vulnerability in oracle corporation mysql server. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.7% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.50%
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: Security: Privileges). 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 update, insert or delete access to some of MySQL Server accessible data as well as unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

0.00 pp

From 0.50% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.50%

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)
Oracle1 product
  • mysql_server≥ 8.0.0, ≤ 8.0.40 | ≥ 8.4.0, ≤ 8.4.3 | ≥ 9.0.0, ≤ 9.1.0
Oracle corporation1 product

3 vendors · 7 products

References

5 links