How severe is CVE-2024-45621?

CVE-2024-45621 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-2024-45621 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-45621?

CVE-2024-45621 affects Rocket.chat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-45621?

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

Does CVE-2024-45621 have an EU (EUVD) identifier?

Yes. CVE-2024-45621 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41542.

When was CVE-2024-45621 published?

CVE-2024-45621 was published on 2024-09-02 and last updated on 2026-06-17.

CVE-2024-45621

CVE-2024-45621 is a medium-severity vulnerability in Rocket.chat 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% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-41542
Weakness: CWE-79
Affected product: Rocket.chat
Published: 2024-09-02
Last modified: 2026-06-17

Description

The Electron desktop application of Rocket.Chat through 6.3.4 allows stored XSS via links in an uploaded file, related to failure to use a separate browser upon encountering third-party external actions from PDF documents.

Frequently asked questions

What is CVE-2024-45621?: The Electron desktop application of Rocket.Chat through 6.3.4 allows stored XSS via links in an uploaded file, related to failure to use a separate browser upon encountering third-party external actions from PDF documents.
How severe is CVE-2024-45621?: CVE-2024-45621 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-2024-45621 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-45621?: CVE-2024-45621 affects Rocket.chat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-45621?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-45621 have an EU (EUVD) identifier?: Yes. CVE-2024-45621 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41542.
When was CVE-2024-45621 published?: CVE-2024-45621 was published on 2024-09-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*

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