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CVE-2022-3854

21
FAUCET Score

CVE-2022-3854 is a denial-of-service vulnerability in Ceph's RGW backends, specifically affecting Red Hat Ceph Storage. An unauthenticated attacker can crash the RGW by providing a null URL, leading to a denial of service. With a CVSS score of 6.5 (Medium), this vulnerability is remotely exploitable with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:redhat:ceph_storage:3.0:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:redhat:ceph_storage:5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.56%
Probability of exploitation in next 30 days
EPSS Percentile
43.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0056 is in the 46th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 16.2.10-3
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 16.2.10-3
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 18.2.1-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 18.2.1-1
microsoftpatch availablevia msrc
Product: azl3 ceph 16.2.10-3 on Azure Linux 3.0Fixed in: 18.2.1-1
microsoftpatch availablevia msrc
Product: cbl2 ceph 16.2.10-7 on CBL Mariner 2.0Fixed in: 16.2.10-3
microsoftpatch availablevia msrc
Product: azl3 ceph 18.2.1-1 on Azure Linux 3.0Fixed in: 18.2.1-1
redhatno patchvia redhat_api
Product: Red Hat Ceph Storage 5Fixed in: ceph

Vendor Advisories (3)

microsoft2024-Dec/CVE-2022-3854

CVE-2022-3854

Dec 10, 2024
microsoft2023-Mar/CVE-2022-3854Moderate

A flaw was found in Ceph relating to the URL processing on RGW backends. An attacker can exploit the URL processing by providing a null URL to crash the RGW causing a denial of service.

Mar 14, 2023
redhatCVE-2022-3854Moderate

ceph: possible DoS issue in ceph URL processing on RGW backends

Nov 3, 2022

References

bugzilla.redhat.com / show_bug.cgi
Issue Tracking