How severe is CVE-2020-8512?

CVE-2020-8512 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-2020-8512 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8512?

CVE-2020-8512 affects Icewarp Icewarp Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8512?

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

When was CVE-2020-8512 published?

CVE-2020-8512 was published on 2020-02-01 and last updated on 2026-06-17.

CVE-2020-8512

CVE-2020-8512 is a medium-severity vulnerability in Icewarp Icewarp Server with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation. 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: 15% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Icewarp Icewarp Server
Published: 2020-02-01
Last modified: 2026-06-17

Description

In IceWarp Webmail Server through 11.4.4.1, there is XSS in the /webmail/ color parameter.

Frequently asked questions

What is CVE-2020-8512?: In IceWarp Webmail Server through 11.4.4.1, there is XSS in the /webmail/ color parameter.
How severe is CVE-2020-8512?: CVE-2020-8512 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-2020-8512 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8512?: CVE-2020-8512 affects Icewarp Icewarp Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8512?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8512 published?: CVE-2020-8512 was published on 2020-02-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:icewarp:icewarp_server:*:*:*:*:*:*:*:*

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