CVE-2020-21883
CVE-2020-21883 is a high-severity vulnerability in Indionetworks Unibox U50 Firmware with a CVSS 3.x base score of 8.8. 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-78.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.0
- EPSS exploit prediction: 6% (92nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Indionetworks Unibox U50 Firmware
- Published:
- Last modified:
Description
Unibox U-50 2.4 and UniBox Enterprise Series 2.4 and UniBox Campus Series 2.4 contain a OS command injection vulnerability in /tools/ping, which can leads to complete device takeover.
Frequently asked questions
- What is CVE-2020-21883?
- Unibox U-50 2.4 and UniBox Enterprise Series 2.4 and UniBox Campus Series 2.4 contain a OS command injection vulnerability in /tools/ping, which can leads to complete device takeover.
- How severe is CVE-2020-21883?
- CVE-2020-21883 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-21883 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-21883?
- CVE-2020-21883 primarily affects Indionetworks Unibox U50 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-21883?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-21883 published?
- CVE-2020-21883 was published on 2021-04-09 and last updated on 2026-07-05.
References
- https://s3curityb3ast.github.io/KSA-Dev-009.txt
- https://www.mail-archive.com/[email protected]/msg07140.html
- http://wifi-soft.com
- https://www.mail-archive.com/fulldisclosure%40seclists.org/msg07140.html
Affected products (5)
- cpe:2.3:o:indionetworks:unibox_u50_firmware:2.4:*:*:*:*:*:*:*
- cpe:2.3:o:indionetworks:unibox_u500_firmware:2.4:*:*:*:*:*:*:*
- cpe:2.3:o:indionetworks:unibox_u1000_firmware:2.4:*:*:*:*:*:*:*
- cpe:2.3:o:indionetworks:unibox_u2500_firmware:2.4:*:*:*:*:*:*:*
- cpe:2.3:o:indionetworks:unibox_u5000_firmware:2.4:*:*:*:*:*:*:*
More vulnerabilities in Indionetworks Unibox U50 Firmware
- CVE-2020-21884 — High (CVSS 8.8): Unibox SMB 2.4 and UniBox Enterprise Series 2.4 and UniBox Campus Series 2.4 contain a cross-site request forgery…
All CVEs affecting Indionetworks Unibox U50 Firmware →
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