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Vulnerability details: VCID-t38a-9zva-aaaa
Vulnerability ID VCID-t38a-9zva-aaaa
Aliases CVE-2021-2356
Summary 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).
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-2356.html
rhas Moderate https://access.redhat.com/errata/RHSA-2021:3590
rhas Moderate https://access.redhat.com/errata/RHSA-2021:3811
cvssv3 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2356.json
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2021-2356
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rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1992299
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2356
cvssv2 4.9 https://nvd.nist.gov/vuln/detail/CVE-2021-2356
cvssv3 5.9 https://nvd.nist.gov/vuln/detail/CVE-2021-2356
generic_textual Medium https://ubuntu.com/security/notices/USN-5022-1
cvssv3.1 5.5 https://www.oracle.com/security-alerts/cpujul2021.html
generic_textual MODERATE https://www.oracle.com/security-alerts/cpujul2021.html
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-2356.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2356.json
https://api.first.org/data/v1/epss?cve=CVE-2021-2356
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2356
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6OO2Q5PIFURXLLKCIJE6XF6VL4LLMNO5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPJAGVMRKODR4QIXQSVEM4BLRZUM7P3R/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6OO2Q5PIFURXLLKCIJE6XF6VL4LLMNO5/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OPJAGVMRKODR4QIXQSVEM4BLRZUM7P3R/
https://security.netapp.com/advisory/ntap-20210723-0001/
https://ubuntu.com/security/notices/USN-5022-1
https://www.oracle.com/security-alerts/cpujul2021.html
1992299 https://bugzilla.redhat.com/show_bug.cgi?id=1992299
cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
CVE-2021-2356 https://nvd.nist.gov/vuln/detail/CVE-2021-2356
RHSA-2021:3590 https://access.redhat.com/errata/RHSA-2021:3590
RHSA-2021:3811 https://access.redhat.com/errata/RHSA-2021:3811
USN-5022-1 https://usn.ubuntu.com/5022-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2356.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-2356
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-2356
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://www.oracle.com/security-alerts/cpujul2021.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.48577
EPSS Score 0.00128
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.