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CVE-2017-3221

25
FAUCET Score

CVE-2017-3221 describes a critical blind SQL injection vulnerability in the login form of Inmarsat AmosConnect 8. This flaw allows remote, unauthenticated attackers to extract sensitive user credentials, including usernames and passwords. With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable over the network with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed in CISA's KEV catalog, indicating no known active exploitation. Community discussion and media coverage for this CVE are also minimal.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:a:inmarsat:amosconnect_8:8.0:*:*:*:*:*:*:*
8.0.1CPE matchmatch criteria
cpe:2.3:a:inmarsat:amosconnect_8:8.0.1:*:*:*:*:*:*:*
8.0.2CPE matchmatch criteria
cpe:2.3:a:inmarsat:amosconnect_8:8.0.2:*:*:*:*:*:*:*
8.2.0CPE matchmatch criteria
cpe:2.3:a:inmarsat:amosconnect_8:8.2.0:*:*:*:*:*:*:*
8.2.1CPE matchmatch criteria
cpe:2.3:a:inmarsat:amosconnect_8:8.2.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.54%
Probability of exploitation in next 30 days
EPSS Percentile
88.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0354 is in the 80th percentile among its peer group of 36,835 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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

Remediation records are not available for this CVE.

References

twitter.com / mkolsek/status/923988845783322625
kb.cert.org / vuls/id/586501
Third Party AdvisoryUS Government Resource
inmarsat.com / news/inmarsat-response-to-ioactive-claims
securityfocus.com / bid/99899
Third Party AdvisoryVDB Entry