Is CVE-2020-10633 in the CISA KEV catalog?

No. CVE-2020-10633 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-10633?

CVE-2020-10633 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2020-10633?

CVE-2020-10633 has an EPSS score of 0.69% (48th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-10633?

Upgrade ewon cosy firmware to 14.1s0 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2020-10633

MEDIUM

6.1

CVSS v3

NVD

Description

A non-persistent XSS (cross-site scripting) vulnerability exists in eWON Flexy and Cosy (all firmware versions prior to 14.1s0). An attacker could send a specially crafted URL to initiate a password change for the device. The target must introduce the credentials to the gateway before the attack can be successful.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

ewon cosy firmwareNVD

Affected:< 14.1s0Fixed in:14.1s0CVE-2020-10633derived from NVD

ewon flexy firmwareNVD

Affected:< 14.1s0Fixed in:14.1s0CVE-2020-10633derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.69%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Third-Party Advisory1

us-cert.gov

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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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 2024-11-21.