How severe is CVE-2021-33231?

CVE-2021-33231 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-2021-33231 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33231?

CVE-2021-33231 affects Easyvista Service Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33231?

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

When was CVE-2021-33231 published?

CVE-2021-33231 was published on 2022-10-20 and last updated on 2026-07-05.

CVE-2021-33231

CVE-2021-33231 is a medium-severity vulnerability in Easyvista Service 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)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Easyvista Service Manager
Published: 2022-10-20
Last modified: 2026-07-05

Description

Cross Site Scripting (XSS) vulnerability in New equipment page in EasyVista Service Manager 2018.1.181.1 allows remote attackers to run arbitrary code via the notes field.

Frequently asked questions

What is CVE-2021-33231?: Cross Site Scripting (XSS) vulnerability in New equipment page in EasyVista Service Manager 2018.1.181.1 allows remote attackers to run arbitrary code via the notes field.
How severe is CVE-2021-33231?: CVE-2021-33231 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-2021-33231 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33231?: CVE-2021-33231 affects Easyvista Service Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33231?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33231 published?: CVE-2021-33231 was published on 2022-10-20 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:a:easyvista:service_manager:2018.1.181.1:*:*:*:*:*:*:*

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