CVE-2021-3531
MEDIUM
5.3
CVSS Score
Published: May 18, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 04:05 AM UTC
3 products affected across 3 vendorsFedoraCeph StorageCeph
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Severity
MEDIUM5.3
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 14.2.2114.2.21
Affected range stops below 14.2.21, so it looks safe — our inference, not a vendor statement
95%
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://www.openwall.com/lists/oss-security/2021/05/14/5
- http://www.openwall.com/lists/oss-security/2021/05/17/7
- https://bugzilla.redhat.com/show_bug.cgi?id=1955326
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FX5ZHI5L7FOHXOSEV3TYBAL66DMLJ7V5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPCJN2YDZCBMF4FOJXSTAADKFGEQEO7O/
References (7)
Mailing ListPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/05/14/5Mailing ListPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/05/17/7Issue TrackingPatchVendor Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1955326CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20CWE-617
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