9.8
CVE-2018-25221
- EPSS 0.29%
- Veröffentlicht 28.03.2026 11:58:13
- Zuletzt bearbeitet 02.04.2026 19:15:19
- Quelle disclosure@vulncheck.com
- CVE-Watchlists
- Unerledigt
EChat Server 3.1 contains a buffer overflow vulnerability in the chat.ghp endpoint that allows remote attackers to execute arbitrary code by supplying an oversized username parameter. Attackers can send a GET request to chat.ghp with a malicious username value containing shellcode and ROP gadgets to achieve code execution in the application context.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Echatserver ≫ Easy Chat Server Version <= 3.1
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.29% | 0.526 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| disclosure@vulncheck.com | 9.8 | 3.9 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| disclosure@vulncheck.com | 9.3 | 0 | 0 |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
|
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.