CVE-2021-34587
Bender Charge Controller: Long URL could lead to webserver crash
In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Bender Charge Controller: Long URL could lead to webserver crash
In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.
- Record
CVE-2021-34587- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2021-21237
In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.
- Record
EUVD-2021-21237- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-47xc-94f4-86xr
In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash....
In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.
- Record
GHSA-47xc-94f4-86xr- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-787
- Updated
- 2026-11-02
NVD
In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.
- Record
CVE-2021-34587- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-121, CWE-787
- Updated
- 2026-11-02
Affected products
- bender cc612
- bender cc612 firmware
- bender cc613
- bender cc613 firmware
- bender icc15xx
- bender icc15xx firmware
- bender icc16xx
- bender icc16xx firmware
- bender / ebee cc612
- bender / ebee cc613
- bender / ebee icc15xx
- bender / ebee icc16xx
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History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-34587 is a medium vulnerability (CVSS 5.3) in Bender Cc612, published April 27, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. No source names a fixed version.