How severe is CVE-2020-28046?

CVE-2020-28046 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-2020-28046 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28046?

CVE-2020-28046 affects Pax Prolinos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28046?

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.

When was CVE-2020-28046 published?

CVE-2020-28046 was published on 2020-11-02 and last updated on 2026-06-17.

CVE-2020-28046

CVE-2020-28046 is a high-severity vulnerability in Pax Prolinos 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Pax Prolinos
Published: 2020-11-02
Last modified: 2026-06-17

Description

An issue was discovered in ProlinOS through 2.4.161.8859R. An attacker with local code execution privileges as a normal user (MAINAPP) can escalate to root privileges by exploiting the setuid installation of the xtables-multi binary and leveraging the ip6tables --modprobe switch.

Frequently asked questions

What is CVE-2020-28046?: An issue was discovered in ProlinOS through 2.4.161.8859R. An attacker with local code execution privileges as a normal user (MAINAPP) can escalate to root privileges by exploiting the setuid installation of the xtables-multi binary and leveraging the ip6tables --modprobe switch.
How severe is CVE-2020-28046?: CVE-2020-28046 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-2020-28046 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28046?: CVE-2020-28046 affects Pax Prolinos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28046?: 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.
When was CVE-2020-28046 published?: CVE-2020-28046 was published on 2020-11-02 and last updated on 2026-06-17.

References

https://git.lsd.cat/g/pax-pwn

Affected products (1)

cpe:2.3:o:pax:prolinos:*:*:*:*:*:*:*:*

More vulnerabilities in Pax Prolinos

CVE-2020-28045 — High (CVSS 7.8): An unsigned-library issue was discovered in ProlinOS through 2.4.161.8859R. This OS requires installed applications and…
CVE-2020-28044 — Medium (CVSS 6.8): An attacker with physical access to a PAX Point Of Sale device with ProlinOS through 2.4.161.8859R can boot it in…

All CVEs affecting Pax Prolinos →

Other CWE-269 (Improper Privilege Management) vulnerabilities

CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a possible way to access adb before SUW…
CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege
CVE-2023-31273 — Critical (CVSS 10.0): Protection mechanism failure in some Intel DCM software before version 5.2 may allow an unauthenticated user to…

Browse all CWE-269 (Improper Privilege Management) vulnerabilities →