Is CVE-2020-27691 in the CISA KEV catalog?

No. CVE-2020-27691 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-27691?

CVE-2020-27691 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2020-27691?

CVE-2020-27691 has an EPSS score of 0.75% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-27691?

Upgrade verve connect vh510 firmware to 1.0.1.6l0516 or later.

CVE & CISA-KEV Catalog

CVE-2020-27691

MEDIUM

6.1

CVSS v3

NVD

Description

The Relish (Verve Connect) VH510 device with firmware before 1.0.1.6L0516 allows XSS via URLBlocking Settings, SNMP Settings, and System Log Settings.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

verve connect vh510 firmwareNVD

Affected:< 1.0.1.6l0516Fixed in:1.0.1.6l0516CVE-2020-27691derived 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

0.75%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Exploit1

6point6.co.uk

Third-Party Advisory1

6point6.co.uk

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.