How severe is CVE-2020-25189?

CVE-2020-25189 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-25189 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25189?

CVE-2020-25189 affects Paradox Ip150 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25189?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-25189 published?

CVE-2020-25189 was published on 2020-11-21 and last updated on 2026-06-17.

CVE-2020-25189

CVE-2020-25189 is a critical-severity vulnerability in Paradox Ip150 Firmware with a CVSS 3.x base score of 9.8. 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-121.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-121
Affected product: Paradox Ip150 Firmware
Published: 2020-11-21
Last modified: 2026-06-17

Description

The affected product is vulnerable to three stack-based buffer overflows, which may allow an unauthenticated attacker to remotely execute arbitrary code on the IP150 (firmware versions 5.02.09).

Frequently asked questions

What is CVE-2020-25189?: The affected product is vulnerable to three stack-based buffer overflows, which may allow an unauthenticated attacker to remotely execute arbitrary code on the IP150 (firmware versions 5.02.09).
How severe is CVE-2020-25189?: CVE-2020-25189 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-25189 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25189?: CVE-2020-25189 affects Paradox Ip150 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25189?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-25189 published?: CVE-2020-25189 was published on 2020-11-21 and last updated on 2026-06-17.

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-324-02

Affected products (1)

cpe:2.3:o:paradox:ip150_firmware:5.02.09:*:*:*:*:*:*:*

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