HOMEVULNERABILITIESCVE-2021-35583
HIGH

CVE-2021-35583

NVD-CWE-noinfoPublished: October 20, 2021· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Windows). Supported versions that are affected are 8.0.25 and prior. Easily exploitable vulnerability allows unauthenticated 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

NVD Source

Technical Analysis

CVE-2021-35583 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

netapp2 product(s)
oncommand insightsnapcenter
Oracle1 product(s)
mysql server
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://www.oracle.com/security-alerts/cpuoct2021.html
PATCHhttps://www.oracle.com/security-alerts/cpuoct2021.html
ADVISORYhttps://security.netapp.com/advisory/ntap-20211022-0003/
ADVISORYhttps://security.netapp.com/advisory/ntap-20211022-0003/

All References (4)

→
https://security.netapp.com/advisory/ntap-20211022-0003/Third Party Advisory
→
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch · Vendor Advisory
→
https://security.netapp.com/advisory/ntap-20211022-0003/Third Party Advisory
→
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch · Vendor Advisory

Quick Facts

CVE IDCVE-2021-35583
CVSS Score7.5 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected2 vendor(s)
PublishedOct 20, 2021

Related CVEs (NVD-CWE-noinfo)

CVE-2007-6686
10.0
CVE-2007-6688
10.0
CVE-2007-6691
10.0
CVE-2007-6693
10.0
CVE-2008-0340
10.0
CVE-2008-0341
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-35583 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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