CVE-2017-9543
HIGHCVSS 7.5/10EPSS 1.33%
Last modified
CVE-2017-9543 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers to reset arbitrary passwords via a crafted POST request to registresult.htm.. EPSS estimates a 1.33% chance of exploitation in the next 30 days.
Description
register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers to reset arbitrary passwords via a crafted POST request to registresult.htm.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Echatserver | Easy Chat Server | >= 2.0, <= 3.1 |
References
- https://www.exploit-db.com/exploits/42154/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42154/Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-9543?
register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers to reset arbitrary passwords via a crafted POST request to registresult.htm.
How severe is CVE-2017-9543?
CVE-2017-9543 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.33% probability of exploitation in the next 30 days.
How do I fix CVE-2017-9543?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2017-9543?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST