Is CVE-2020-18724 in the CISA KEV catalog?

No. CVE-2020-18724 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-18724?

CVE-2020-18724 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2020-18724?

CVE-2020-18724 has an EPSS score of 3.19% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-18724?

Upgrade mdaemon webmail to 20.0.1 or later.

CVE & CISA-KEV Catalog

CVE-2020-18724

MEDIUMEPSS 87th pctl

5.4

CVSS v3

NVD

Description

Authenticated stored cross-site scripting (XSS) in the contact name field in the distribution list of MDaemon webmail 19.5.5 allows an attacker to executes code and perform a XSS attack while opening a contact list.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

mdaemon webmailNVD

Affected:< 20.0.1Fixed in:20.0.1CVE-2020-18724derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

3.19%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Exploit2

Vendor Advisory1

altn.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.