How severe is CVE-2020-14065?

CVE-2020-14065 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-14065 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14065?

CVE-2020-14065 affects Icewarp Mail Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14065?

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

When was CVE-2020-14065 published?

CVE-2020-14065 was published on 2020-07-15 and last updated on 2026-06-17.

CVE-2020-14065

CVE-2020-14065 is a medium-severity vulnerability in Icewarp Mail Server with a CVSS 3.x base score of 6.5. 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 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Icewarp Mail Server
Published: 2020-07-15
Last modified: 2026-06-17

Description

IceWarp Email Server 12.3.0.1 allows remote attackers to upload files and consume disk space.

Frequently asked questions

What is CVE-2020-14065?: IceWarp Email Server 12.3.0.1 allows remote attackers to upload files and consume disk space.
How severe is CVE-2020-14065?: CVE-2020-14065 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-14065 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14065?: CVE-2020-14065 affects Icewarp Mail Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14065?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-14065 published?: CVE-2020-14065 was published on 2020-07-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:icewarp:mail_server:12.3.0.1:*:*:*:*:*:*:*

More vulnerabilities in Icewarp Mail Server

CVE-2023-39699 — Critical (CVSS 9.8): IceWarp Mail Server v10.4.5 was discovered to contain a local file inclusion (LFI) vulnerability via the component…
CVE-2020-14066 — High (CVSS 8.8): IceWarp Email Server 12.3.0.1 allows remote attackers to upload JavaScript files that are dangerous for clients to…
CVE-2019-12593 — High (CVSS 7.5): IceWarp Mail Server through 10.4.4 is prone to a local file inclusion vulnerability via…
CVE-2015-1503 — High (CVSS 7.5): Multiple directory traversal vulnerabilities in IceWarp Mail Server before 11.2 allow remote attackers to read…
CVE-2020-14064 — Medium (CVSS 6.5): IceWarp Email Server 12.3.0.1 has Incorrect Access Control for user accounts.
CVE-2011-3579 — Medium (CVSS 6.4): server/webmail.php in IceWarp WebMail in IceWarp Mail Server before 10.3.3 allows remote attackers to read arbitrary…

All CVEs affecting Icewarp Mail Server →

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 →