CVE-2024-37383

Exp

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

Published: 2024-06-07 Last update: 2025-10-31 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2024-37383 is rated Critical Active Threat (89.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 73.30%, 99th percentile). Core evidence: CISA KEV confirms active exploitation (added 2024-10-24) affecting Roundcube / Webmail. cross-site scripting (CWE-79) Unauthenticated remote administrative access may be possible. EPSS rose +9.27% over the last day, indicating growing attacker interest. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2024-37383

Name: RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability · CISA KEV detail

Exploit added: 2024-10-24

Action due: 2024-11-14

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Public exploit references (Exploit-DB) for CVE-2024-37383

EDB-ID Source Kind Published Link
52173 exploit_db edb 2025-04-11 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2024-37383

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 64.03% 73.30% +9.27%
2 2026-06-08 64.52% 64.03% -0.49%
3 2026-05-26 64.52%

Full EPSS history (44 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-37383

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 2.7 [email protected]
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 2.7 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2024-37383

OS Trackers for CVE-2024-37383

vendor priority summary link
debian not yet assigned CVE-2024-37383 not yet assigned priority: Debian including 1 source packages (roundcube), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2024-37383
redhat medium https://access.redhat.com/security/cve/CVE-2024-37383
ubuntu high CVE-2024-37383 high priority: Ubuntu including 1 source packages (roundcube), 10 status rows across 10 suites (bionic, focal, jammy, mantic, noble, oracular, plucky, questing, upstream, xenial): not-affected 5, released 5. https://ubuntu.com/security/CVE-2024-37383

Affected software / configurations for CVE-2024-37383

Vendor Product Version Raw CPE
roundcube webmail < 1.5.7 cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
roundcube webmail >= 1.6.0, < 1.6.7 cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

References for CVE-2024-37383

cvelogic Threat Intelligence