How severe is CVE-2020-25490?

CVE-2020-25490 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-25490 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25490?

CVE-2020-25490 affects Sqreen Php Microagent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25490?

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-2020-25490 published?

CVE-2020-25490 was published on 2020-09-17 and last updated on 2026-06-17.

CVE-2020-25490

CVE-2020-25490 is a high-severity vulnerability in Sqreen Php Microagent with a CVSS 3.x base score of 7.3. 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-347.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Sqreen Php Microagent
Published: 2020-09-17
Last modified: 2026-06-17

Description

Lack of cryptographic signature verification in the Sqreen PHP agent daemon before 1.16.0 makes it easier for remote attackers to inject rules for execution inside the virtual machine.

Frequently asked questions

What is CVE-2020-25490?: Lack of cryptographic signature verification in the Sqreen PHP agent daemon before 1.16.0 makes it easier for remote attackers to inject rules for execution inside the virtual machine.
How severe is CVE-2020-25490?: CVE-2020-25490 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-25490 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25490?: CVE-2020-25490 affects Sqreen Php Microagent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25490?: 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-2020-25490 published?: CVE-2020-25490 was published on 2020-09-17 and last updated on 2026-06-17.

References

https://blog.sqreen.com/vulnerability-disclosure-finding-a-vulnerability-in-sqreens-php-agent-and-how-we-fixed-it/

Affected products (1)

cpe:2.3:a:sqreen:php_microagent:*:*:*:*:*:*:*:*

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