How severe is CVE-2020-36881?

CVE-2020-36881 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-36881 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36881?

CVE-2020-36881 affects Flexense Diskboss. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36881?

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.

Does CVE-2020-36881 have an EU (EUVD) identifier?

Yes. CVE-2020-36881 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30823.

When was CVE-2020-36881 published?

CVE-2020-36881 was published on 2025-12-05 and last updated on 2026-06-17.

CVE-2020-36881

CVE-2020-36881 is a high-severity vulnerability in Flexense Diskboss with a CVSS 3.x base score of 7.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.6
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-30823
Weakness: CWE-119
Affected product: Flexense Diskboss
Published: 2025-12-05
Last modified: 2026-06-17

Description

Flexsense DiskBoss 7.7.14 contains a local buffer overflow vulnerability in the 'Input Directory' component that allows unauthenticated attackers to execute arbitrary code on the system. Attackers can exploit this by pasting a specially crafted directory path into the 'Add Input Directory' field.

Frequently asked questions

What is CVE-2020-36881?: Flexsense DiskBoss 7.7.14 contains a local buffer overflow vulnerability in the 'Input Directory' component that allows unauthenticated attackers to execute arbitrary code on the system. Attackers can exploit this by pasting a specially crafted directory path into the 'Add Input Directory' field.
How severe is CVE-2020-36881?: CVE-2020-36881 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-36881 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36881?: CVE-2020-36881 affects Flexense Diskboss. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36881?: 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.
Does CVE-2020-36881 have an EU (EUVD) identifier?: Yes. CVE-2020-36881 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30823.
When was CVE-2020-36881 published?: CVE-2020-36881 was published on 2025-12-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:flexense:diskboss:7.7.14:*:*:*:*:*:*:*

More vulnerabilities in Flexense Diskboss

CVE-2018-5262 — Critical (CVSS 9.8): A stack-based buffer overflow in Flexense DiskBoss 8.8.16 and earlier allows unauthenticated remote attackers to…
CVE-2018-5261 — High (CVSS 8.1): An issue was discovered in Flexense DiskBoss 8.8.16 and earlier. Due to the usage of plaintext information from the…
CVE-2020-36880 — High (CVSS 7.8): Flexsense DiskBoss 7.7.14 contains a local buffer overflow vulnerability in the 'Reports and Data Directory' field that…
CVE-2017-7310 — High (CVSS 7.8): A buffer overflow vulnerability in Import Command in SyncBreeze before 10.6, DiskSorter before 10.6, DiskBoss before…
CVE-2020-36882 — High (CVSS 7.5): Flexsense DiskBoss 7.7.14 allows unauthenticated attackers to upload arbitrary files via /Command/Search…
CVE-2017-15665 — High (CVSS 7.5): In Flexense DiskBoss Enterprise 8.5.12, the Control Protocol suffers from a denial of service vulnerability. The attack…

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