How severe is CVE-2020-21147?

CVE-2020-21147 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-21147 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-21147?

CVE-2020-21147 affects Rockoa. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-21147?

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

When was CVE-2020-21147 published?

CVE-2020-21147 was published on 2021-01-26 and last updated on 2026-06-17.

CVE-2020-21147

CVE-2020-21147 is a medium-severity vulnerability in Rockoa with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Rockoa
Published: 2021-01-26
Last modified: 2026-06-17

Description

RockOA V1.9.8 is affected by a cross-site scripting (XSS) vulnerability which allows remote attackers to send malicious code to the administrator and execute JavaScript code, because webmain/flow/input/mode_emailmAction.php does not perform strict filtering.

Frequently asked questions

What is CVE-2020-21147?: RockOA V1.9.8 is affected by a cross-site scripting (XSS) vulnerability which allows remote attackers to send malicious code to the administrator and execute JavaScript code, because webmain/flow/input/mode_emailmAction.php does not perform strict filtering.
How severe is CVE-2020-21147?: CVE-2020-21147 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-21147 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-21147?: CVE-2020-21147 affects Rockoa. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-21147?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-21147 published?: CVE-2020-21147 was published on 2021-01-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rockoa:rockoa:1.9.8:*:*:*:*:*:*:*

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