Is CVE-2021-34590 in the CISA KEV catalog?

No. CVE-2021-34590 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-34590?

CVE-2021-34590 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2021-34590?

CVE-2021-34590 has an EPSS score of 0.42% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-34590?

Upgrade cc612 firmware to 5.20.2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-34590

MEDIUM

5.4

CVSS v3

NVD

Description

In Bender/ebee Charge Controllers in multiple versions are prone to Cross-site Scripting. An authenticated attacker could write HTML Code into configuration values. These values are not properly escaped when displayed.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

cc612 firmwareNVD

Affected:>= 5.20.0, < 5.20.2Fixed in:5.20.2CVE-2021-34590derived from NVD

icc15xx firmwareNVD

Affected:>= 5.20.0, < 5.20.2Fixed in:5.20.2CVE-2021-34590derived 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 RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.42%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Vendor Advisory1

cert.vde.com

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

Embed a live status badge for CVE-2021-34590

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 2024-11-21.