4

CVE-2021-2340: fedoraproject fedora

CVSS: 4.0v2.0MediumModified
AliasesUBUNTU-CVE-2021-2340CGA-2vxf-gh7g-mmmwCGA-394h-rvp8-m4p7
Published 20-07-2021Last modified 26-09-2024

Vulnerability summary

CVE-2021-2340 is a medium (CVSS 4.0) vulnerability in fedoraproject fedora. EPSS estimates a 2.63% chance of exploitation in the next 30 days, higher than 85.2% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.0/10
010
Medium · v2.0 (NVD)
EPSS score
2.63%
0%100%
Low · +0.32 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 3

Timeline

  1. 20-07-2021
    PublishedVulnerability first disclosed.
  2. 26-09-2024
    Last modifiedVulnerability information updated.

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Memcached). Supported versions that are affected are 8.0.25 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 partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 2.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L).

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.63%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

+0.32 pp

From 2.31% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.63%

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

No weakness data has been published for this record.

Affected systems

Chainguard6 products
  • mysql-8.0< 8.0.38-r0
  • mysql-8.0-client< 8.0.38-r0
  • mysql-8.0-dev< 8.0.38-r0
  • mysql-8.0-iamguarded-compat< 8.0.38-r0
  • mysql-8.0-oci-entrypoint< 8.0.38-r0
Ubuntu4 products
  • mysql-5.5All versions (No fix recorded)
  • mysql-8.0< 8.0.26-0ubuntu0.20.04.2 | < 8.0.26-0ubuntu1
  • percona-server-5.6All versions (No fix recorded)
  • percona-xtradb-cluster-5.6All versions (No fix recorded)
Netapp3 products
Fedoraproject1 product
Oracle1 product
  • mysql≥ 8.0.0, ≤ 8.0.25
Oracle corporation1 product

6 vendors · 16 products

References

8 links