Vulnerability Details : CVE-2021-2356
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows low 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.9 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H).
Vulnerability category: Denial of service
Products affected by CVE-2021-2356
- cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-2356
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-2356
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.9
|
MEDIUM | AV:N/AC:M/Au:S/C:N/I:P/A:P |
6.8
|
4.9
|
NIST | |
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H |
1.6
|
4.2
|
Oracle |
References for CVE-2021-2356
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6OO2Q5PIFURXLLKCIJE6XF6VL4LLMNO5/
[SECURITY] Fedora 33 Update: community-mysql-8.0.26-1.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OPJAGVMRKODR4QIXQSVEM4BLRZUM7P3R/
[SECURITY] Fedora 34 Update: community-mysql-8.0.26-1.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://www.oracle.com/security-alerts/cpujul2021.html
Oracle Critical Patch Update Advisory - July 2021Patch;Vendor Advisory
-
https://security.netapp.com/advisory/ntap-20210723-0001/
July 2021 MySQL Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
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