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CVE-2018-19443

20
FAUCET Score

CVE-2018-19443 affects Tryton 5.x before 5.0.1, where the client attempts to establish a cleartext bus connection instead of an encrypted one under specific conditions. This failed connection attempt inadvertently exposes the user's current session in the header, making it vulnerable to session hijacking by a man-in-the-middle attacker. Rated Medium severity (CVSS 5.9), the vulnerability has a high confidentiality impact but requires high attack complexity. 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
5.0.0CPE matchmatch criteria
cpe:2.3:a:tryton:tryton:5.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.08%
Probability of exploitation in next 30 days
EPSS Percentile
61.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0108 is in the 23rd percentile among its peer group of 19,955 CVEs.

Social Chatter

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

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: trytonFixed in: 5.0.1

Vendor Advisories (1)

pipGHSA-32w7-9whp-cjp9high

Session Fixation in Tryton

Nov 29, 2018

References

bugs.tryton.org / issue7792
Issue TrackingThird Party Advisory
discuss.tryton.org / t/security-release-for-issue7792/830
Vendor Advisory