CVE-2026-77151
lin-snow Ech0 crypto.go MD5Encrypt risky encryption
- State
- Published
- Severity
- 6.3 Medium
- Published
- Aug 20, 2026
- Updated
- Aug 21, 2026
- Reserved
- Aug 20, 2026
Description
A security flaw has been discovered in lin-snow Ech0 up to 5.4.1. Affected by this issue is the function MD5Encrypt of the file internal/util/crypto/crypto.go. Performing a manipulation results in risky cryptographic algorithm. Remote exploitation of the attack is possible. The complexity of an attack is rather high. The exploitation is known to be difficult. Upgrading to version 5.4.2 can resolve this issue. The patch is named 9ce19a3b0d0765086a655f45d3a706ec1810404f. It is recommended to upgrade the affected component.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.3 Medium | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X | VulDB |
| 3.1 | 3.7 Low | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C | VulDB |
| 3.0 | 3.7 Low | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C | VulDB |
| 2.0 | 2.6 Low | AV:N/AC:H/Au:N/C:P/I:N/A:N/E:ND/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Ech0lin-snow |
|
References
- VDB-393736 | lin-snow Ech0 crypto.go MD5Encrypt risky encryptionvdb-entrytechnical-description
- VDB-393736 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-77151 | CVE Analysis and Reportthird-party-advisory
- Submit #881015 | lin-snow Ech0 5.4.1 Unsalted MD5 Password Hashing in Ech0 Enables Mass Credential Crthird-party-advisory
- https://github.com/lin-snow/Ech0/issues/314issue-tracking
- https://github.com/lin-snow/Ech0/pull/315issue-trackingpatch
- https://github.com/lin-snow/Ech0/commit/9ce19a3b0d0765086a655f45d3a706ec1810404fpatch
- https://github.com/lin-snow/Ech0/releases/tag/ech0-5.4.2patch
- https://github.com/lin-snow/Ech0/product
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.