CVE-2018-19443 json
Session Fixation in Tryton
published 2018-11-22 7 y ago modified 2026-06-17 4 mo ago also GHSA-32w7-9whp-cjp9 , PYSEC-2018-77 , EUVD-2018-0142
- cvss
- 5.9
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
The client in Tryton 5.x before 5.0.1 tries to make a connection to the bus in cleartext instead of encrypted under certain circumstances in bus.py and jsonrpc.py. This connection attempt fails, but it contains in the header the current session of the user. This session could then be stolen by a man-in-the-middle.
Patch / fix
- pypi tryton 5.0.1
Exploit prediction
1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
| GitHub | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | tryton | >=5.0.0, <5.0.1 |
5.0.1 |
Classification
- Weakness
-
- CWE-384 Session Fixation
References
-
discuss.tryton.org
/t/security-release-for-issue7792/830
web, vendor-advisory
-
bugs.tryton.org
/issue7792
web, issue-tracking, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-19443
advisory
-
github.com
/pypa/advisory-database/tree/main/vulns/tryton/PYSEC-2018-77.yaml
web
-
github.com
/advisories/GHSA-32w7-9whp-cjp9
advisory
Sources
- CVE List CVE-2018-19443
- GitHub Advisory GHSA-32w7-9whp-cjp9
- NVD CVE-2018-19443
- OSV PYSEC-2018-77
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.