HOMEVULNERABILITIESCVE-2017-3198
CRITICAL

CVE-2017-3198

CWE-345Published: July 9, 2018· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

GIGABYTE BRIX UEFI firmware does not cryptographically validate images prior to updating the system firmware. Additionally, the firmware updates are served over HTTP. An attacker can make arbitrary modifications to firmware images without being detected.

NVD Source

Technical Analysis

CVE-2017-3198 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

gigabyte4 product(s)
gb-bsi7h-6500 firmwaregb-bsi7h-6500gb-bxi7-5775 firmwaregb-bxi7-5775
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/97294
ADVISORYhttps://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html
ADVISORYhttps://www.kb.cert.org/vuls/id/507496
ADVISORYhttp://www.securityfocus.com/bid/97294
ADVISORYhttps://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html
ADVISORYhttps://www.kb.cert.org/vuls/id/507496

All References (6)

→
http://www.securityfocus.com/bid/97294Third Party Advisory · VDB Entry
→
https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.htmlExploit · Third Party Advisory
→
https://www.kb.cert.org/vuls/id/507496Third Party Advisory · US Government Resource
→
http://www.securityfocus.com/bid/97294Third Party Advisory · VDB Entry
→
https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.htmlExploit · Third Party Advisory
→
https://www.kb.cert.org/vuls/id/507496Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2017-3198
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-345
CISA KEVNo
Affected1 vendor(s)
PublishedJul 9, 2018

Related CVEs (CWE-345)

CVE-2026-35051
10.0
CVE-2014-8165
10.0
CVE-2026-47691
10.0
CVE-2022-3703
10.0
CVE-2026-45674
10.0
CVE-2026-50195
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-3198 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2017-3198·NVD