Skip to content
Fencer Vulns
medium 6.5

CVE-2022-3854 json

A flaw was found in Ceph, relating to the URL processing on RGW backends.

published 2023-03-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-43194

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

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.

Patch / fix

  • ceph Debian 14, Debian 13, Debian 12 16.2.10+ds-5

debian advisories DEBIAN-CVE-2022-3854

  • ceph Ubuntu 22.04 LTS 17.2.5-0ubuntu0.22.04.3

ubuntu advisories UBUNTU-CVE-2022-3854

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ceph SLE Module for Basesystem 15 SP4, SLE Micro 5.4, SLE Micro 5.3 +2 more 16.2.11.58+g38d6afd3b78-150400.3.6.1
  • ceph Enterprise Storage 7.1 16.2.11.58+g38d6afd3b78-150300.3.6.1
  • ceph-test openSUSE Leap 15.4 16.2.11.58+g38d6afd3b78-150400.3.6.1
  • ceph SLE Real Time 15 SP3, SLE Micro 5.2, SLE Micro 5.1 16.2.11.58+g38d6afd3b78-150300.5.7.1

suse advisories SUSE-SU-2023:1581-2SUSE-SU-2023:1584-1SUSE-SU-2023:1581-1SUSE-SU-2023:1580-1

  • ceph Azure Linux 3.0 18.2.1-1
  • ceph CBL-Mariner 2.0 16.2.10-3

azure linux advisories AZL-38998AZL-39496

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-3854 updated cvss 5.0

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

  • Red Hat Ceph Storage 3 ceph, librbd1, librgw2, ceph-mds, ceph-mgr, ceph-mon, +15 more
    affected: no fix planned “Out of support scope”
  • Red Hat Ceph Storage 5 ceph, cephadm, librbd1, librgw2, rbd-nbd, ceph-mds, +33 more
    affected: no fix available
  • Red Hat Ceph Storage 4 ceph, librbd1, librgw2, rbd-nbd, ceph-mds, ceph-mgr, +27 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

  • n/a ceph

Classification

Weakness
  • CWE-177 Improper Handling of URL Encoding (Hex Encoding)

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.