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CVE-2020-12059

23
FAUCET Score

CVE-2020-12059 is a high-severity denial-of-service vulnerability affecting Ceph versions through 13.2.9, including Canonical and Linux Foundation distributions. An unauthenticated attacker can crash the RGW process by sending a specially crafted POST request containing invalid tagging XML, leading to a NULL pointer exception. While the CVSS score is 7.5 (High) due to its network attack vector and high availability impact, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 13.2.9CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:ceph:*:*:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.65%
Probability of exploitation in next 30 days
EPSS Percentile
84.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0265 is in the 72nd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (5)

redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 3 - ELSFixed in: ceph-2:12.2.12-139.el7cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 3 - ELSFixed in: ceph-ansible-0:3.2.56-1.el7cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 3 - ELSFixed in: cephmetrics-0:2.0.10-1.el7cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 3 - ELSFixed in: grafana-0:5.2.4-3.el7cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 3 - ELSFixed in: tcmu-runner-0:1.4.0-3.el7cp
View patch

Vendor Advisories (1)

redhatCVE-2020-12059Moderate

ceph: specially crafted XML payload on POST requests leads to DoS by crashing RGW

Apr 7, 2020

References

bugzilla.suse.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
docs.ceph.com / docs/master/releases/mimic
Release NotesVendor Advisory
lists.debian.org / debian-lts-announce/2023/10/msg00034.html
tracker.ceph.com / issues/44967
Issue TrackingVendor Advisory
usn.ubuntu.com / 4528-1
Third Party Advisory