CVE-2020-18406 json
An issue was discovered in cmseasy v7.0.0 that allows user credentials to be sent in clear text due to no encryption of form data.
published 2023-06-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2020-10330
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
An issue was discovered in cmseasy v7.0.0 that allows user credentials to be sent in clear text due to no encryption of form data.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/source-hunter/cmseasy/issues/1 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Classification
- Weakness
-
- CWE-522 Insufficiently Protected Credentials
References
-
github.com
/source-hunter/cmseasy/issues/1
exploit, issue-tracking
Sources
- CVE List CVE-2020-18406
- NVD CVE-2020-18406
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.