How severe is CVE-2020-28898?

CVE-2020-28898 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2020-28898 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28898?

CVE-2020-28898 affects Resourcexpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28898?

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

When was CVE-2020-28898 published?

CVE-2020-28898 was published on 2021-04-15 and last updated on 2026-06-17.

CVE-2020-28898

CVE-2020-28898 is a medium-severity vulnerability in Resourcexpress with a CVSS 3.x base score of 5.3. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Resourcexpress
Published: 2021-04-15
Last modified: 2026-06-17

Description

In QED ResourceXpress through 4.9k, a large numeric or alphanumeric value submitted in specific URL parameters causes a server error in script execution due to insufficient input validation.

Frequently asked questions

What is CVE-2020-28898?: In QED ResourceXpress through 4.9k, a large numeric or alphanumeric value submitted in specific URL parameters causes a server error in script execution due to insufficient input validation.
How severe is CVE-2020-28898?: CVE-2020-28898 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2020-28898 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28898?: CVE-2020-28898 affects Resourcexpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28898?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-28898 published?: CVE-2020-28898 was published on 2021-04-15 and last updated on 2026-06-17.

References

https://resourcexpress.atlassian.net/wiki/spaces/RSG/pages/1318289409/v2021.2+-+March+2021

Affected products (1)

cpe:2.3:a:resourcexpress:resourcexpress:*:*:*:*:*:*:*:*

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