Exploited vulnerabilitiesBriefPublic record

Ivanti EPMM chain (CVE-2025-4427 / -4428)

KEV: 19 May 2025. Expression-language injection originating in an open-source library.

Disclosed

Live scores

Live scores

CVE-2025-4427
EPSS
0.999
very likely to be attacked soon
VEDAS
0.985
strong exploit evidence
On CISA KEV
Yes, since 2025-05-19
Detection rule
Nuclei · Suricata
EPSS (chance of attack)
10No cve-scores data 2026-02-22 to 2026-08-08no data0.1Added to CISA KEV 2025-05-19CVE-2025-4427 EPSS over time2025-052026-11-01
VEDAS (exploit evidence)
10No cve-scores data 2026-02-22 to 2026-08-08no data0.9Added to CISA KEV 2025-05-19CVE-2025-4427 VEDAS over time2025-052026-11-01

Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish. The vertical line is the day CISA added it to its exploited list.

Live scores

CVE-2025-4428
EPSS
0.880
very likely to be attacked soon
VEDAS
0.980
strong exploit evidence
On CISA KEV
Yes, since 2025-05-19
Detection rule
Nuclei · Suricata
EPSS (chance of attack)
10No cve-scores data 2026-02-22 to 2026-08-08no data0.1Added to CISA KEV 2025-05-19CVE-2025-4428 EPSS over time2025-052026-11-01
VEDAS (exploit evidence)
10No cve-scores data 2026-02-22 to 2026-08-08no data0.9Added to CISA KEV 2025-05-19CVE-2025-4428 VEDAS over time2025-052026-11-01

Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish. The vertical line is the day CISA added it to its exploited list.

Sources

This is a brief: a short, sourced summary from our incident tracking. Full advisories add commands to check whether you are affected.