How severe is CVE-2021-32539?

CVE-2021-32539 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-2021-32539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32539?

CVE-2021-32539 affects Hundredplus 101eip. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32539?

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

When was CVE-2021-32539 published?

CVE-2021-32539 was published on 2021-05-28 and last updated on 2026-06-17.

CVE-2021-32539

CVE-2021-32539 is a medium-severity vulnerability in Hundredplus 101eip 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% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hundredplus 101eip
Published: 2021-05-28
Last modified: 2026-06-17

Description

Add event in calendar function in the 101EIP system does not filter special characters in specific fields, which allows remote authenticated users to inject JavaScript and perform a stored XSS attack.

Frequently asked questions

What is CVE-2021-32539?: Add event in calendar function in the 101EIP system does not filter special characters in specific fields, which allows remote authenticated users to inject JavaScript and perform a stored XSS attack.
How severe is CVE-2021-32539?: CVE-2021-32539 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-2021-32539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32539?: CVE-2021-32539 affects Hundredplus 101eip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-32539 published?: CVE-2021-32539 was published on 2021-05-28 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-4755-bd590-1.html

Affected products (1)

cpe:2.3:a:hundredplus:101eip:200925:*:*:*:*:*:*:*

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