What is the CVSS score of CVE-2021-2042?

CVE-2021-2042 has a CVSS 3.1 base score of 2.3 (Low). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.4%.

MySQL CVE-2021-2042

LOW

2021-01-20 secalert_us@oracle.com

Authentication Bypass MySQL Oracle Oncommand Insight Oncommand Workflow Automation Snapcenter Netapp

2.3

CVSS 3.1 · Vendor: oracle

View

Vulnerability Assessment

Impact	CVSS score of 2.3 (LOW). Attack characteristics: local attack vector, low complexity, high privileges required, no user interaction not required.
Exploit ScenarioDerived	Successful exploitation could compromise the low-severity affected system.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).

No patch listed yet 0.4% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Rated low severity (CVSS 2.3), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.21 and prior. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.1 Base Score 2.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N). Affected products include: Oracle Mysql, Netapp Oncommand Insight, Netapp Oncommand Workflow Automation, Netapp Snapcenter.

Know when MySQL gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

Vendor (oracle) PRIMARY 2.3 LOW

AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Primary rating from Vendor (oracle) · only source for this CVE.

CVSS VectorVendor: oracle

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

DescriptionCVE.org

Threat Intelligence Overview

EPSS Score

0.4%

Top 64% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity LOW

CISA KEV No

Public POC No

EPSS 0.4%

Patch available No

Active threat No

Deciding rule

LOW severity (CVSS 0.1-3.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +12

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*

cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*

cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*

cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:*

More in MySQL

View all

CVE-2016-6662 CRITICAL Act Now POC

9.8 Sep 20

Oracle MySQL through 5.5.52, 5.6.x through 5.6.33, and 5.7.x through 5.7.15; MariaDB before 5.5.51, 10.0.x before 10.0.2

CVE-2012-5613 MEDIUM This Month POC

6.0 Dec 03

MySQL 5.5.19 and possibly other versions, and MariaDB 5.5.28a and possibly other versions, when configured to assign the

CVE-2017-3599 HIGH Act Now POC

7.5 Apr 24

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Pluggable Auth). Rated high severity

CVE-2012-2122 MEDIUM This Month POC

5.1 Jun 26

sql/password.c in Oracle MySQL 5.1.x before 5.1.63, 5.5.x before 5.5.24, and 5.6.x before 5.6.6, and MariaDB 5.1.x befor

CVE-2020-5398 HIGH Act Now

7.5 Jan 17

In Spring Framework, versions 5.2.x prior to 5.2.3, versions 5.1.x prior to 5.1.13, and versions 5.0.x prior to 5.0.16,

CVE-2012-5612 MEDIUM This Month POC

6.5 Dec 03

Heap-based buffer overflow in Oracle MySQL 5.5.19 and other versions through 5.5.28, and MariaDB 5.5.28a and possibly ot

CVE-2012-5611 MEDIUM This Month POC

6.5 Dec 03

Stack-based buffer overflow in the acl_get function in Oracle MySQL 5.5.19 and other versions through 5.5.28, and 5.1.53

CVE-2020-1967 HIGH Act Now POC

7.5 Apr 21

Server or client applications that call the SSL_check_chain() function during or after a TLS 1.3 handshake may crash due

CVE-2016-6664 HIGH Act Now POC

7.0 Dec 13

mysqld_safe in Oracle MySQL through 5.5.51, 5.6.x through 5.6.32, and 5.7.x through 5.7.14; MariaDB; Percona Server befo

CVE-2015-3152 MEDIUM This Month POC

5.9 May 16

Oracle MySQL before 5.7.3, Oracle MySQL Connector/C (aka libmysqlclient) before 6.1.3, and MariaDB before 5.5.44 use the

CVE-2026-24479 CRITICAL Act Now POC

9.8 Jan 27

HUSTOJ online judge has a path traversal vulnerability enabling arbitrary file access on the competition server.

CVE-2016-2105 HIGH Act Now

7.5 May 05

Integer overflow in the EVP_EncodeUpdate function in crypto/evp/encode.c in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2

Same technique Authentication Bypass

View all

CVE-2015-3306 CRITICAL POC

10.0

CVE-2023-22515 CRITICAL POC

9.8

CVE-2012-4681 CRITICAL POC

9.8

CVE-2013-2465 CRITICAL POC

9.8

CVE-2011-3544 CRITICAL POC

9.8

CVE-2022-40684 CRITICAL POC

9.8

CVE-2025-61882 CRITICAL POC

9.8

CVE-2024-0012 CRITICAL POC

9.3

References

Advisories & patches

ADVISORY https://www.oracle.com/security-alerts/cpujan2021.html REF https://security.gentoo.org/glsa/202105-27 REF https://security.netapp.com/advisory/ntap-20210219-0003/

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back