CVE & CISA-KEV Catalog

CVE-2017-9543

HIGH
7.5
CVSS v3
NVD

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.

CWE-640

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

1.33%probability of exploitation in 30 days
68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.