How severe is CVE-2021-28247?

CVE-2021-28247 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-28247 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28247?

CVE-2021-28247 affects Ca Ehealth Performance Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-28247?

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

When was CVE-2021-28247 published?

CVE-2021-28247 was published on 2021-03-26 and last updated on 2026-06-17.

CVE-2021-28247

CVE-2021-28247 is a medium-severity vulnerability in Ca Ehealth Performance Manager with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Ca Ehealth Performance Manager
Published: 2021-03-26
Last modified: 2026-06-17

Description

CA eHealth Performance Manager through 6.3.2.12 is affected by Cross Site Scripting (XSS). The impact is: An authenticated remote user is able to inject arbitrary web script or HTML due to incorrect sanitization of user-supplied data and perform a Reflected Cross-Site Scripting attack against the platform users. The affected endpoints are: cgi/nhWeb with the parameter report, aviewbin/filtermibobjects.pl with the parameter namefilter, and aviewbin/query.pl with the parameters System, SystemText, Group, and GroupText. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Frequently asked questions

What is CVE-2021-28247?: CA eHealth Performance Manager through 6.3.2.12 is affected by Cross Site Scripting (XSS). The impact is: An authenticated remote user is able to inject arbitrary web script or HTML due to incorrect sanitization of user-supplied data and perform a Reflected Cross-Site Scripting attack against the platform users. The affected endpoints are: cgi/nhWeb with the parameter report, aviewbin/filtermibobjects.pl with the parameter namefilter, and aviewbin/query.pl with the parameters System, SystemText, Group, and GroupText. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
How severe is CVE-2021-28247?: CVE-2021-28247 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-28247 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28247?: CVE-2021-28247 affects Ca Ehealth Performance Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28247?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-28247 published?: CVE-2021-28247 was published on 2021-03-26 and last updated on 2026-06-17.

References

https://n4nj0.github.io/advisories/ca-ehealth-performance-manager/

Affected products (1)

cpe:2.3:a:ca:ehealth_performance_manager:*:*:*:*:*:*:*:*

More vulnerabilities in Ca Ehealth Performance Manager

CVE-2021-28249 — High (CVSS 8.8): CA eHealth Performance Manager through 6.3.2.12 is affected by Privilege Escalation via a Dynamically Linked Shared…
CVE-2021-28250 — High (CVSS 7.8): CA eHealth Performance Manager through 6.3.2.12 is affected by Privilege Escalation via a setuid (and/or setgid) file.…
CVE-2010-0640 — Low (CVSS 2.6): Cross-site scripting (XSS) vulnerability in CA eHealth Performance Manager 6.0.x through 6.2.x, when malicious HTML…

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