CVE & CISA-KEV Catalog

CVE-2022-3854

MEDIUM
6.5
CVSS v3
NVD

Description

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.

How to fix

Remediation Available
cephDebian
Fixed in:16.2.10+ds-5CVE-2022-3854
Fixed in:16.2.10+ds-5CVE-2022-3854
Fixed in:16.2.10+ds-5CVE-2022-3854
cephUbuntu
Fixed in:12.2.13-0ubuntu0.18.04.11USN-6063-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:15.2.17-0ubuntu0.20.04.3USN-6063-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:17.2.5-0ubuntu0.22.04.3USN-6063-1
Fixed in:17.2.5-0ubuntu0.22.10.3USN-6063-1

This Ubuntu release reached end-of-life on 2023-07-20.

ceph-baseUbuntu
Fixed in:12.2.13-0ubuntu0.18.04.11USN-6063-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:15.2.17-0ubuntu0.20.04.3USN-6063-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:17.2.5-0ubuntu0.22.04.3USN-6063-1
Fixed in:17.2.5-0ubuntu0.22.10.3USN-6063-1

This Ubuntu release reached end-of-life on 2023-07-20.

ceph-commonUbuntu
Fixed in:12.2.13-0ubuntu0.18.04.11USN-6063-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:15.2.17-0ubuntu0.20.04.3USN-6063-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:17.2.5-0ubuntu0.22.04.3USN-6063-1
Fixed in:17.2.5-0ubuntu0.22.10.3USN-6063-1

This Ubuntu release reached end-of-life on 2023-07-20.

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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 InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.57%probability of exploitation in 30 days
45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Issue Tracking1

Related Vulnerabilities

Other CWE-177 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2022-27780High7.52.5%-Fix
CVE-2018-3718Medium5.31.3%-Fix
CVE-2026-41041Critical9.10.6%-Fix
CVE-2026-29045High7.50.5%-Fix
CVE-2026-22031High8.40.5%-Fix
CVE-2024-23983Medium5.80.4%--

Common questions

How do I fix CVE-2022-3854?

Published advisories record a fix for 4 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2022-3854 being actively exploited?

Not that we know of. CVE-2022-3854 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.57% is the estimated probability that it will be exploited in the next 30 days. That is higher than 45% of all scored CVEs.

How severe is CVE-2022-3854?

CVE-2022-3854 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2022-3854 affect?

Published advisories record a fix for ceph (Debian), ceph (Ubuntu), ceph-base (Ubuntu), ceph-common (Ubuntu). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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Markdown

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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 2026-06-17.