An issue was discovered in EFS Easy Chat Server 3.1.
Priority LOW 35CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
An issue was discovered in EFS Easy Chat Server 3.1. There is a buffer overflow via a long body2.ghp message parameter.
Why it matters now
EPSS 0.0111 66th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:echatserver:easy_chat_server:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | Echatserver |
- cpe:2.3:a:echatserver:easy_chat_server:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Echatserver
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-20502
- 2026-10-03 Alias added: GHSA-qj55-crj2-57h4
References
More Echatserver Easy Chat Server vulnerabilities
- TI-2018-15446 EChat Server 3.1 Buffer Overflow via chat.ghp username Parameter CVSS 4.0CRITICAL 9.3
- TI-2019-15666 Easy Chat Server 3.1 Denial of Service via message Parameter CVSS 4.0HIGH 8.7
- TI-2017-06947 There is a remote stack-based buffer overflow (SEH) in register.ghp in EFS Software Easy… CVSS 3.1CRITICAL 9.8
- TI-2022-22094 Efs Software Easy Chat Server Version 3.1 was discovered to contain a DLL hijacking… CVSS 3.1HIGH 7.8
- TI-2017-06958 register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers… CVSS 3.1HIGH 7.5
- TI-2017-06946 register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers… CVSS 3.1HIGH 7.5
Sources
- CVE-2019-20502 · CVE Program
- CVE-2019-20502 · NVD
- FIRST EPSS
- GHSA-qj55-crj2-57h4 · GitHub Advisory Database · CC BY 4.0
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