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Vulnerability details: VCID-zbwp-sfx4-xke7
Vulnerability ID VCID-zbwp-sfx4-xke7
Aliases CVE-2021-3531
Summary ceph: RGW unauthenticated denial of service
Status Published
Exploitability 0.5
Weighted Severity 4.8
Risk 2.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3531.json
epss 0.00257 https://api.first.org/data/v1/epss?cve=CVE-2021-3531
epss 0.00257 https://api.first.org/data/v1/epss?cve=CVE-2021-3531
epss 0.00257 https://api.first.org/data/v1/epss?cve=CVE-2021-3531
epss 0.00257 https://api.first.org/data/v1/epss?cve=CVE-2021-3531
epss 0.00257 https://api.first.org/data/v1/epss?cve=CVE-2021-3531
epss 0.00257 https://api.first.org/data/v1/epss?cve=CVE-2021-3531
epss 0.00257 https://api.first.org/data/v1/epss?cve=CVE-2021-3531
epss 0.00257 https://api.first.org/data/v1/epss?cve=CVE-2021-3531
epss 0.00257 https://api.first.org/data/v1/epss?cve=CVE-2021-3531
epss 0.00257 https://api.first.org/data/v1/epss?cve=CVE-2021-3531
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3531.json
https://api.first.org/data/v1/epss?cve=CVE-2021-3531
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3531
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1955326 https://bugzilla.redhat.com/show_bug.cgi?id=1955326
988890 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=988890
RHSA-2022:1174 https://access.redhat.com/errata/RHSA-2022:1174
USN-4998-1 https://usn.ubuntu.com/4998-1/
USN-5128-1 https://usn.ubuntu.com/5128-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3531.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: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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 0.49026
EPSS Score 0.00257
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T14:02:18.217416+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3531.json 38.0.0