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CVE-2018-16738

18
FAUCET Score

CVE-2018-16738 describes a broken authentication protocol in tinc versions 1.0.30 through 1.0.34, affecting various Debian and StarWind products utilizing tinc. This vulnerability has a low CVSS score of 3.7, indicating a network-based attack with high complexity, no user interaction, and a potential impact of limited integrity compromise. 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
>= 1.0.30, <= 1.0.34CPE matchmatch criteria
cpe:2.3:a:tinc-vpn:tinc:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
v8CPE matchmatch criteria
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12533:*:*:*:vsphere:*:*
v8CPE matchmatch criteria
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12658:*:*:*:vsphere:*:*

CVSS Data

CVSS version used by this source: 3.1

3.7LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.35%
Probability of exploitation in next 30 days
EPSS Percentile
68.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0135 is in the 55th percentile among its peer group of 1,506 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

debian.org / security/2018/dsa-4312
Third Party Advisory
starwindsoftware.com / security/sw-20190227-0002
Third Party Advisory
tinc-vpn.org / security
Vendor Advisory
tinc-vpn.org / git/browse