CVE & CISA-KEV Catalog

CVE-2021-3531

MEDIUMEPSS 82th pctl
5.3
CVSS v3
NVD

Description

A flaw was found in the Red Hat Ceph Storage RGW in versions before 14.2.21. When processing a GET Request for a swift URL that ends with two slashes it can cause the rgw to crash, resulting in a denial of service. The greatest threat to the system is of availability.

CWE-20Improper Input ValidationCWE-617

How to fix

Remediation Available
cephDebian
Fixed in:14.2.21-1CVE-2021-3531
Fixed in:14.2.21-1CVE-2021-3531
Fixed in:14.2.21-1CVE-2021-3531
Fixed in:14.2.21-1CVE-2021-3531
cephUbuntu
Fixed in:12.2.13-0ubuntu0.18.04.10USN-5128-1
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-baseUbuntu
Fixed in:12.2.13-0ubuntu0.18.04.10USN-5128-1
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-commonUbuntu
Fixed in:12.2.13-0ubuntu0.18.04.10USN-5128-1
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgrUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-cephadmUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-dashboardUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-diskprediction-cloudUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-diskprediction-localUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-k8seventsUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-modules-coreUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-rookUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
cephadmUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
radosgwUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploit Intelligence

2.43%probability of exploitation in 30 days
82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Embed a live status badge for CVE-2021-3531
CVE-2021-3531 severity badge

Markdown

[![CVE-2021-3531](https://tridentstack.com/cve/badge/CVE-2021-3531.svg)](https://tridentstack.com/cve/CVE-2021-3531)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-3531"><img src="https://tridentstack.com/cve/badge/CVE-2021-3531.svg" alt="CVE-2021-3531"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.