CVE & CISA-KEV Catalog

CVE-2020-7847

HIGH
7.4
CVSS v3
NVD

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.

CWE-434Unrestricted File Upload

How to fix

Remediation Available
nas-i firmwareNVD
Affected:< 1.4.36Fixed in:1.4.36CVE-2020-7847derived from NVD
nas-ii firmwareNVD
Affected:< 1.4.36Fixed in:1.4.36CVE-2020-7847derived from NVD
nas-iie firmwareNVD
Affected:< 1.4.36Fixed in:1.4.36CVE-2020-7847derived from NVD
nas101 firmwareNVD
Affected:< 1.4.36Fixed in:1.4.36CVE-2020-7847derived from NVD
nas1dual firmwareNVD
Affected:< 1.4.36Fixed in:1.4.36CVE-2020-7847derived from NVD
nas2dual firmwareNVD
Affected:< 1.4.36Fixed in:1.4.36CVE-2020-7847derived from NVD
nas3 firmwareNVD
Affected:< 1.4.36Fixed in:1.4.36CVE-2020-7847derived from NVD
nas4 firmwareNVD
Affected:< 1.4.36Fixed in:1.4.36CVE-2020-7847derived from NVD
nas4dual firmwareNVD
Affected:< 1.4.36Fixed in:1.4.36CVE-2020-7847derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent
Attack ComplexityLow
Privileges RequiredLow
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.51%probability of exploitation in 30 days
40thpercentile

Low risk: more likely to be exploited than 40% of all known CVEs.

References

Third-Party Advisory1

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2017-12617High8.1100%KEVFix
CVE-2018-15961Critical9.8100%KEV-
CVE-2021-31207Medium6.6100%KEV + RansomFix
CVE-2017-12615High8.1100%KEV + Ransom-
CVE-2025-31324Critical10.099%KEV + Ransom-
CVE-2024-50623Critical9.899%KEV + RansomFix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.