CVE-2020-7847
CVE-2020-7847 is a high-severity vulnerability in Iptime Nas-i Firmware with a CVSS 3.x base score of 7.4. 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-434.
Key facts
- Severity: High (CVSS 3.x base score 7.4)
- CVSS v2: 5.2
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-434
- Affected product: Iptime Nas-i Firmware
- Published:
- Last modified:
Description
The ipTIME NAS product allows an arbitrary file upload vulnerability in the Manage Bulletins/Upload feature, which can be leveraged to gain remote code execution. This issue affects: pTIME NAS 1.4.36.
Frequently asked questions
- What is CVE-2020-7847?
- The ipTIME NAS product allows an arbitrary file upload vulnerability in the Manage Bulletins/Upload feature, which can be leveraged to gain remote code execution. This issue affects: pTIME NAS 1.4.36.
- How severe is CVE-2020-7847?
- CVE-2020-7847 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-7847 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-7847?
- CVE-2020-7847 primarily affects Iptime Nas-i Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-7847?
- 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-2020-7847 published?
- CVE-2020-7847 was published on 2021-02-23 and last updated on 2026-06-17.
References
Affected products (9)
- cpe:2.3:o:iptime:nas-i_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:iptime:nas-ii_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:iptime:nas-iie_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:iptime:nas101_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:iptime:nas1dual_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:iptime:nas2dual_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:iptime:nas3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:iptime:nas4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:iptime:nas4dual_firmware:*:*:*:*:*:*:*:*
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