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CVE-2018-12180

28
FAUCET Score

CVE-2018-12180 describes a buffer overflow vulnerability in the BlockIo service of EDK II, impacting various openSUSE and TianoCore EDK II products. This flaw allows an unauthenticated attacker, via network access, to potentially achieve escalation of privilege, information disclosure, or denial of service. With a CVSS score of 8.8 (HIGH), it presents a significant risk due to its low attack complexity and high potential impact across confidentiality, integrity, and availability. Despite its severity, 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
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:tianocore:edk_ii:-:*:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.25%
Probability of exploitation in next 30 days
EPSS Percentile
81.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0226 is in the 80th percentile among its peer group of 14,855 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 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 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: ovmf-0:20180508-3.gitee3198e672e2.el7_6.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: edk2-0:20180508gitee3198e672e2-9.el8_0.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: redhat-release-virtualization-host-0:4.3-0.6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: redhat-virtualization-host-0:4.3-20190418.0.el7_6
View patch

Vendor Advisories (1)

redhatCVE-2018-12180Important

edk2: Buffer Overflow in BlockIo service for RAM disk

Feb 26, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-03/msg00046.html
Mailing ListThird Party Advisory
access.redhat.com / errata/RHSA-2019:0809
access.redhat.com / errata/RHSA-2019:0968
access.redhat.com / errata/RHSA-2019:1116
edk2-docs.gitbooks.io / security-advisory/content/buffer-overflow-in-blockio-service-for-ram-disk.html
PatchVendor Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/4ABTDKZK2G5XP6JCO3HXMPOA2NRTIYDZ
support.hpe.com / hpsc/doc/public/display
usn.ubuntu.com / 4349-1