Is CVE-2024-37383 actively exploited?

Yes. KEV Intelligence tracks CVE-2024-37383 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2024-37383. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2024-37383 affects Roundcube Roundcube Webmail. KEV Intelligence lists 4 version rows; examples include 0 to < 1.5.7 and 1.6.0 to < 1.6.7.

Yes. CVE-2024-37383 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2024-37383

Q: What is CVE-2024-37383?

CVE-2024-37383 is an unauthenticated vulnerability affecting Roundcube Roundcube Webmail. Roundcube Webmail before 1.5.7 and 1.6.x before 1.6.7 allows XSS via SVG animate attributes.

Q: How should organizations remediate it?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Q: Is it in CISA KEV?

Yes. CVE-2024-37383 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Roundcube Webmail Before 1.5.7 and 1.6.x before 1.6.7 allows XSS Cross-Site Scripting

Roundcube / Roundcube Webmail · affected before 1.5.7

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Severity: CVSS 6.1 · Medium
Confidence: Confirmed
Exploit status: Exploited in the wild
EPSS: 73.3%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2024-37383 is an unauthenticated vulnerability affecting Roundcube Roundcube Webmail. Roundcube Webmail before 1.5.7 and 1.6.x before 1.6.7 allows XSS via SVG animate attributes.

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Roundcube / Roundcube Webmail affected before 1.5.7.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Roundcube Webmail before 1.5.7 and 1.6.x before 1.6.7 allows XSS via SVG animate attributes

Roundcube Webmail before 1.5.7 and 1.6.x before 1.6.7 allows XSS via SVG animate attributes.

Vendor Product Affected Status

roundcube webmail Before 1.5.7 Affected

roundcube webmail Before 1.6.7 Affected

roundcube webmail Before 1.5.7 Affected

roundcube webmail Before 1.6.7 Affected

n/a n/a n/a Affected

Published: 07 Jun 2024
Exploitation Reported: 24 Oct 2024
Attack vector: Remote
Complexity: Low
Privileges: None
User interaction: Required

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2024-37383
[debian-lts-announce] 20240617 [SECURITY] [DLA 3835-1] roundcube security update lists.debian.org · Mailing List https://lists.debian.org/debian-lts-announce/2024/06/msg00008.html
GitHub — roundcube/roundcubemail github.com · CVE Record https://github.com/roundcube/roundcubemail/commit/43aaaa528646877789e...
GitHub — roundcube/roundcubemail github.com · CVE Record https://github.com/roundcube/roundcubemail/releases/tag/1.6.7
GitHub — roundcube/roundcubemail github.com · CVE Record https://github.com/roundcube/roundcubemail/releases/tag/1.5.7

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 24 Oct 2024

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source	Added
CISA First	2024-10-24 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

Nessus template detected 02 Jun 2025.

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Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

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Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Nessus	https://www.tenable.com/plugins/nessus/114557	02 Jun 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

6.1 Medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

73.3%

Weaknesses

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE-79

Timeline

From disclosure to observed exploitation

02 Jun 2025
Nessus plugin available

Scanner coverage available
24 Oct 2024
Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
07 Jun 2024
CVE published

Vulnerability disclosed publicly
07 Jun 2024
CVE ID reserved

Identifier reserved by the CNA

Pro API

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2024-37383

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2024-37383",
  "confidence": "Confirmed",
  "cvss_score": 6.1,
  "cvss_estimated": false,
  "epss_score": 0.73296,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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