How severe is CVE-2020-12252?

CVE-2020-12252 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.

Is CVE-2020-12252 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12252?

CVE-2020-12252 affects Gigamon Gigavue. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12252?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-12252 published?

CVE-2020-12252 was published on 2020-04-29 and last updated on 2026-06-17.

CVE-2020-12252

CVE-2020-12252 is a medium-severity vulnerability in Gigamon Gigavue with a CVSS 3.x base score of 6.2. 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: Medium (CVSS 3.x base score 6.2)
CVSS v2: 6.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Gigamon Gigavue
Published: 2020-04-29
Last modified: 2026-06-17

Description

An issue was discovered in Gigamon GigaVUE 5.5.01.11. The upload functionality allows an arbitrary file upload for an authenticated user. If an executable file is uploaded into the www-root directory, then it could yield remote code execution via the filename parameter.

Frequently asked questions

What is CVE-2020-12252?: An issue was discovered in Gigamon GigaVUE 5.5.01.11. The upload functionality allows an arbitrary file upload for an authenticated user. If an executable file is uploaded into the www-root directory, then it could yield remote code execution via the filename parameter.
How severe is CVE-2020-12252?: CVE-2020-12252 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2020-12252 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12252?: CVE-2020-12252 affects Gigamon Gigavue. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12252?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-12252 published?: CVE-2020-12252 was published on 2020-04-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gigamon:gigavue:*:*:*:*:*:*:*:*

More vulnerabilities in Gigamon Gigavue

CVE-2020-12251 — Low (CVSS 2.2): An issue was discovered in Gigamon GigaVUE 5.5.01.11. The upload functionality allows an authenticated user to change…

All CVEs affecting Gigamon Gigavue →

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-48283 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-48276 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-57700 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in Daan.Dev OMGF Pro allows Using Malicious Files. This…
CVE-2025-69129 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in WordPress & WooCommerce Scraper Plugin, Import Data from Any Site <= 1.0.7…
CVE-2026-40772 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions.
CVE-2026-40412 — Critical (CVSS 10.0): Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code…

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →