How severe is CVE-2023-50439?

CVE-2023-50439 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-50439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50439?

CVE-2023-50439 primarily affects Primx Zed!. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-50439?

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

When was CVE-2023-50439 published?

CVE-2023-50439 was published on 2023-12-13 and last updated on 2026-06-17.

CVE-2023-50439

CVE-2023-50439 is a medium-severity vulnerability in Primx Zed! with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Primx Zed!
Published: 2023-12-13
Last modified: 2026-06-17

Description

ZED containers produced by PRIMX ZED! for Windows before Q.2020.3 (ANSSI qualification submission), ZED! for Windows before Q.2021.2 (ANSSI qualification submission), ZONECENTRAL for Windows before Q.2021.2 (ANSSI qualification submission), ZONECENTRAL for Windows before 2023.5, or ZEDMAIL for Windows before 2023.5 disclose the original path in which the containers were created, which allows an unauthenticated attacker to obtain some information regarding the context of use (project name, etc.).

Frequently asked questions

What is CVE-2023-50439?: ZED containers produced by PRIMX ZED! for Windows before Q.2020.3 (ANSSI qualification submission), ZED! for Windows before Q.2021.2 (ANSSI qualification submission), ZONECENTRAL for Windows before Q.2021.2 (ANSSI qualification submission), ZONECENTRAL for Windows before 2023.5, or ZEDMAIL for Windows before 2023.5 disclose the original path in which the containers were created, which allows an unauthenticated attacker to obtain some information regarding the context of use (project name, etc.).
How severe is CVE-2023-50439?: CVE-2023-50439 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-50439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50439?: CVE-2023-50439 primarily affects Primx Zed!. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-50439?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-50439 published?: CVE-2023-50439 was published on 2023-12-13 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:primx:zed\!:*:*:*:*:enterprise:windows:*:*
cpe:2.3:a:primx:zedmail:*:*:*:*:*:windows:*:*
cpe:2.3:a:primx:zonecentral:*:*:*:*:*:windows:*:*

More vulnerabilities in Primx Zed!

CVE-2018-16518 — Critical (CVSS 9.8): A directory traversal vulnerability with remote code execution in Prim'X Zed! FREE through 1.0 build 186 and Zed!…
CVE-2023-50444 — High (CVSS 7.5): By default, .ZED containers produced by PRIMX ZED! for Windows before Q.2020.3 (ANSSI qualification submission); ZED!…
CVE-2023-50440 — Medium (CVSS 5.5): ZED containers produced by PRIMX ZED! for Windows before Q.2020.3 (ANSSI qualification submission); ZED! for Windows…

All CVEs affecting Primx Zed! →