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CVE-2021-34590

20
FAUCET Score

CVE-2021-34590 is a Cross-site Scripting (XSS) vulnerability affecting Bender/ebee Charge Controllers, including models like cc612 and icc15xx_firmware. An authenticated attacker can inject malicious HTML into configuration values, which are then improperly displayed without escaping. This vulnerability has a CVSS score of 5.4 (Medium), indicating a low attack complexity and requiring user interaction, with potential impacts on confidentiality and integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.11.0, < 5.11.2CPE matchmatch criteria
cpe:2.3:o:bender:cc612_firmware:*:*:*:*:*:*:*:*
>= 5.12.0, < 5.12.5CPE matchmatch criteria
cpe:2.3:o:bender:cc612_firmware:*:*:*:*:*:*:*:*
>= 5.13.0, < 5.13.2CPE matchmatch criteria
cpe:2.3:o:bender:cc612_firmware:*:*:*:*:*:*:*:*
>= 5.20.0, < 5.20.2CPE matchmatch criteria
cpe:2.3:o:bender:cc612_firmware:*:*:*:*:*:*:*:*
>= 5.11.0, < 5.11.2CPE matchmatch criteria
cpe:2.3:o:bender:icc15xx_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 53rd percentile among its peer group of 15,225 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert.vde.com / en/advisories/VDE-2021-047
Vendor Advisory