How severe is CVE-2024-35284?

CVE-2024-35284 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-2024-35284 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-35284?

CVE-2024-35284 affects Mitel Micontact Center Business. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-35284?

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

Does CVE-2024-35284 have an EU (EUVD) identifier?

Yes. CVE-2024-35284 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35259.

When was CVE-2024-35284 published?

CVE-2024-35284 was published on 2024-05-29 and last updated on 2026-06-17.

CVE-2024-35284

CVE-2024-35284 is a medium-severity vulnerability in Mitel Micontact Center Business 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: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-35259
Weakness: CWE-79
Affected product: Mitel Micontact Center Business
Published: 2024-05-29
Last modified: 2026-06-17

Description

A vulnerability in the legacy chat component of Mitel MiContact Center Business through 10.0.0.4 could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient input validation.

Frequently asked questions

What is CVE-2024-35284?: A vulnerability in the legacy chat component of Mitel MiContact Center Business through 10.0.0.4 could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient input validation.
How severe is CVE-2024-35284?: CVE-2024-35284 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-2024-35284 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-35284?: CVE-2024-35284 affects Mitel Micontact Center Business. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-35284?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-35284 have an EU (EUVD) identifier?: Yes. CVE-2024-35284 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35259.
When was CVE-2024-35284 published?: CVE-2024-35284 was published on 2024-05-29 and last updated on 2026-06-17.

References

https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-24-0012

Affected products (1)

cpe:2.3:a:mitel:micontact_center_business:*:*:*:*:*:*:*:*

More vulnerabilities in Mitel Micontact Center Business

CVE-2021-3352 — Critical (CVSS 9.1): The Software Development Kit in Mitel MiContact Center Business from 8.0.0.0 through 8.1.4.1 and 9.0.0.0 through…
CVE-2025-67823 — High (CVSS 8.2): A vulnerability in the Multimedia Email component of Mitel MiContact Center Business through 10.2.0.10 and Mitel CX…
CVE-2024-42514 — High (CVSS 8.1): A vulnerability in the legacy chat component of Mitel MiContact Center Business through 10.1.0.4 could allow an…
CVE-2024-28069 — High (CVSS 7.5): A vulnerability in the legacy chat component of Mitel MiContact Center Business through 10.0.0.4 could allow an…
CVE-2023-22854 — High (CVSS 7.5): The ccmweb component of Mitel MiContact Center Business server 9.2.2.0 through 9.4.1.0 could allow an unauthenticated…
CVE-2020-24692 — High (CVSS 7.1): The Ignite portal in Mitel MiContact Center Business before 9.3.0.0 could allow an attacker to execute arbitrary…

All CVEs affecting Mitel Micontact Center Business →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →