How severe is CVE-2020-25495?

CVE-2020-25495 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-25495 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25495?

CVE-2020-25495 primarily affects Xinuos Openserver. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-25495?

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

When was CVE-2020-25495 published?

CVE-2020-25495 was published on 2020-12-18 and last updated on 2026-06-17.

CVE-2020-25495

CVE-2020-25495 is a medium-severity vulnerability in Xinuos Openserver with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Xinuos Openserver
Published: 2020-12-18
Last modified: 2026-06-17

Description

A reflected Cross-site scripting (XSS) vulnerability in Xinuo (formerly SCO) Openserver version 5 and 6 allows remote attackers to inject arbitrary web script or HTML tag via the parameter 'section'.

Frequently asked questions

What is CVE-2020-25495?: A reflected Cross-site scripting (XSS) vulnerability in Xinuo (formerly SCO) Openserver version 5 and 6 allows remote attackers to inject arbitrary web script or HTML tag via the parameter 'section'.
How severe is CVE-2020-25495?: CVE-2020-25495 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-25495 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25495?: CVE-2020-25495 primarily affects Xinuos Openserver. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-25495?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-25495 published?: CVE-2020-25495 was published on 2020-12-18 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:xinuos:openserver:5.0.7:*:*:*:*:*:*:*
cpe:2.3:a:xinuos:openserver:6.0:*:*:*:*:*:*:*

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