CVE-2021-45876
CVE-2021-45876 is a critical-severity vulnerability in Garo Wallbox Gtb Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (70th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Garo Wallbox Gtb Firmware
- Published:
- Last modified:
Description
Multiple versions of GARO Wallbox GLB/GTB/GTC are affected by unauthenticated command injection. The url parameter of the function module downloadAndUpdate is vulnerable to an command Injection. Unfiltered user input is used to generate code which then gets executed when downloading new firmware.
Frequently asked questions
- What is CVE-2021-45876?
- Multiple versions of GARO Wallbox GLB/GTB/GTC are affected by unauthenticated command injection. The url parameter of the function module downloadAndUpdate is vulnerable to an command Injection. Unfiltered user input is used to generate code which then gets executed when downloading new firmware.
- How severe is CVE-2021-45876?
- CVE-2021-45876 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-45876 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-45876?
- CVE-2021-45876 primarily affects Garo Wallbox Gtb Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-45876?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-45876 published?
- CVE-2021-45876 was published on 2022-03-21 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:o:garo:wallbox_gtb_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:garo:wallbox_gtc_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:garo:wallbox_glb_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Garo Wallbox Gtb Firmware
- CVE-2021-45877 — Critical (CVSS 9.8): Multiple versions of GARO Wallbox GLB/GTB/GTC are affected by hard coded credentials. A hardcoded credential exist in…
- CVE-2021-45878 — Critical (CVSS 9.1): Multiple versions of GARO Wallbox GLB/GTB/GTC are affected by incorrect access control. Lack of access control on the…
- CVE-2023-30399 — High (CVSS 8.1): Insecure permissions in the settings page of GARO Wallbox GLB/GTB/GTC before v189 allows attackers to redirect users to…
All CVEs affecting Garo Wallbox Gtb Firmware →
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