CVE-2020-3936
CVE-2020-3936 is a critical-severity vulnerability in Unisoon Ultralog Express Firmware with a CVSS 3.x base score of 10.0. 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-89.
Key facts
- Severity: Critical (CVSS 3.x base score 10.0)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (66th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Unisoon Ultralog Express Firmware
- Published:
- Last modified:
Description
UltraLog Express device management interface does not properly filter user inputted string in some specific parameters, attackers can inject arbitrary SQL command.
Frequently asked questions
- What is CVE-2020-3936?
- UltraLog Express device management interface does not properly filter user inputted string in some specific parameters, attackers can inject arbitrary SQL command.
- How severe is CVE-2020-3936?
- CVE-2020-3936 has a CVSS 3.x base score of 10.0, 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-2020-3936 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-3936?
- CVE-2020-3936 affects Unisoon Ultralog Express Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-3936?
- 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-2020-3936 published?
- CVE-2020-3936 was published on 2020-03-27 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:unisoon:ultralog_express_firmware:1.4.0:*:*:*:*:*:*:*
More vulnerabilities in Unisoon Ultralog Express Firmware
- CVE-2020-3921 — High (CVSS 8.6): UltraLog Express device management software stores user’s information in cleartext. Any user can obtain accounts…
- CVE-2020-3920 — High (CVSS 8.1): UltraLog Express device management interface does not properly perform access authentication in some specific…
All CVEs affecting Unisoon Ultralog Express Firmware →
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