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CVE-2018-7262

25
FAUCET Score

CVE-2018-7262 describes a denial-of-service vulnerability in Ceph's Rados Gateway (RGW) component, specifically affecting versions before 12.2.3 and 13.x through 13.0.1, as well as related Fedora and Red Hat Ceph products. The vulnerability stems from improper handling of malformed HTTP headers within the rgw_civetweb.cc RGWCivetWeb::init_env function. With a CVSS score of 7.5 (High), this flaw allows an unauthenticated attacker to remotely cause a denial of service with low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 12.2.3CPE matchmatch criteria
cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:*
13.0.0CPE matchmatch criteria
cpe:2.3:a:redhat:ceph:13.0.0:*:*:*:*:*:*:*
13.0.1CPE matchmatch criteria
cpe:2.3:a:redhat:ceph:13.0.1:*:*:*:*:*:*:*
27CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:27:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
2.97%
Probability of exploitation in next 30 days
EPSS Percentile
85.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0297 is in the 75th 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 (2)

redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 3.0Fixed in: ceph-2:12.2.1-46.el7cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 3 for Ubuntu
View patch

Vendor Advisories (1)

redhatCVE-2018-7262Important

ceph: Unauthenticated malformed HTTP requests handled by rgw_civetweb.cc:RGW::init_env() can lead to denial of service

Feb 13, 2018

References

access.redhat.com / errata/RHSA-2018:0546
Third Party Advisory
access.redhat.com / errata/RHSA-2018:0548
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue Tracking
github.com / ceph/ceph/pull/20488
Issue TrackingThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/74VI6EPZ6LD2O4JJXJBTYQ4U4VUO2ZDO
tracker.ceph.com / issues/23039
Issue TrackingVendor Advisory