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CVE-2018-12684

23
FAUCET Score

CVE-2018-12684 is an out-of-bounds read vulnerability in the send_ssi_file function of CivetWeb through version 1.10. This flaw allows attackers to trigger a Denial of Service or disclose sensitive information by providing a specially crafted Server-Side Include (SSI) file. With a CVSS score of 7.1 (High), this vulnerability has a low attack complexity and requires user interaction, potentially leading to high confidentiality and availability impacts. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.10CPE matchmatch criteria
cpe:2.3:a:civetweb_project:civetweb:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.1HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 58th percentile among its peer group of 11,615 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Ceph Storage 2Fixed in: ceph
redhatend of lifevia redhat_api
Product: Red Hat Ceph Storage 1.3Fixed in: ceph
redhatend of lifevia redhat_api
Product: Red Hat Ceph Storage 3Fixed in: ceph

Vendor Advisories (1)

redhatCVE-2018-12684Moderate

civetweb: Out-of-bounds read in civetweb.c:send_ssi_file() allows attackers to cause denial of service or information disclosure

Jun 16, 2018

References

github.com / civetweb/civetweb/commit/8fd069f6dedb064339f1091069ac96f3f8bdb552
PatchThird Party Advisory
github.com / civetweb/civetweb/issues/633
Third Party Advisory