Is CVE-2020-16847 in the CISA KEV catalog?

No. CVE-2020-16847 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-16847?

CVE-2020-16847 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2020-16847?

CVE-2020-16847 has an EPSS score of 0.65% (47th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-16847?

Upgrade extreme management center to 8.5.0.169 or later.

CVE & CISA-KEV Catalog

CVE-2020-16847

MEDIUM

6.1

CVSS v3

NVD

Description

Extreme Analytics in Extreme Management Center before 8.5.0.169 allows unauthenticated reflected XSS via a parameter in a GET request, aka CFD-4887.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

extreme management centerNVD

Affected:< 8.5.0.169Fixed in:8.5.0.169CVE-2020-16847derived 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

0.65%probability of exploitation in 30 days

47thpercentile

Moderate risk: more likely to be exploited than 47% of all known CVEs.

References

Vendor Advisory2

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.