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TI-2023-08248 Aliases CVE-2023-21870GHSA-57m7-9qvc-6gvg

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).

Priority LOW 24Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.31 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).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00884 59th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleMySQL Serverup to 8.0.31—No fix listedCNA
  • MySQL Server VendorOracle Affected up to 8.0.31 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*8.0.0 – 8.0.31VulnerableOracle
  • cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* Versions 8.0.0 – 8.0.31 Vulnerable ·Oracle

Remediation

Red Hat 3 advisories

  • RHSA-2023:3087 Released 2023-05-16 · Red Hat rating Important
    mysql:8.0 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) mecab-0.996-2.module+el8.8.0+18436+8918dd75.aarch64::mysql:8.0, mecab-0.996-2.module+el8.8.0+18436+8918dd75.ppc64le::mysql:8.0, mecab-0.996-2.module+el8.8.0+18436+8918dd75.s390x::mysql:8.0 +44
  • RHSA-2023:2621 Released 2023-05-09 · Red Hat rating Important
    mysql security update
    • Red Hat Enterprise Linux AppStream (v. 9) mysql-8.0.32-1.el9_2, mysql-common-8.0.32-1.el9_2, mysql-errmsg-8.0.32-1.el9_2 +1
    • Red Hat Enterprise Linux CRB (v. 9) mysql-devel-8.0.32-1.el9_2, mysql-libs-8.0.32-1.el9_2, mysql-test-8.0.32-1.el9_2
  • RHSA-2023:1102 Released 2023-03-07 · Red Hat rating Moderate
    rh-mysql80-mysql security update
    • Red Hat Software Collections for RHEL Workstation(v. 7) rh-mysql80-mysql-8.0.32-1.el7, rh-mysql80-mysql-common-8.0.32-1.el7, rh-mysql80-mysql-config-8.0.32-1.el7 +8
    • Red Hat Software Collections for RHEL(v. 7) rh-mysql80-mysql-8.0.32-1.el7, rh-mysql80-mysql-common-8.0.32-1.el7, rh-mysql80-mysql-config-8.0.32-1.el7 +8

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:3087
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:2621
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2023:2621
Red Hat Software Collections for RHEL Workstation(v. 7)Fixed RHSA-2023:1102
Red Hat Software Collections for RHEL(v. 7)Fixed RHSA-2023:1102
Not affected: 7 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat OpenStack Platform 10 (Newton)
  • Red Hat OpenStack Platform 13 (Queens)
  • Red Hat Software Collections

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-21870
  2. 2026-10-03 Alias added: GHSA-57m7-9qvc-6gvg

References

Advisory 1

  • TI-2021-02645 SM2 Decryption Buffer Overflow CVSS 3.1CRITICAL 9.8
  • TI-2022-01176 The c_rehash script allows command injection CVSS 3.1CRITICAL 9.8
  • TI-2021-04451 XStream is vulnerable to an Arbitrary Code Execution attack CVSS 3.1CRITICAL 9.1
  • TI-2021-04444 XStream is vulnerable to an Arbitrary Code Execution attack CVSS 3.1CRITICAL 9.8
  • TI-2021-05762 Use after free in https://github.com/curl/curl CVSS 3.1HIGH 8.1
  • TI-2021-05807 Cleartext transmission of sensitive information in https://github.com/curl/curl CVSS 3.1HIGH 7.5
See all 347 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences