How severe is CVE-2025-22457?

CVE-2025-22457 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-22457 being actively exploited?

Yes. CVE-2025-22457 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-04-04, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2025-22457?

CVE-2025-22457 primarily affects Ivanti Connect Secure. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-22457?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2025-22457 have an EU (EUVD) identifier?

Yes. CVE-2025-22457 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9646. It is also flagged as exploited in the EUVD (since 2025-04-04).

When was CVE-2025-22457 published?

CVE-2025-22457 was published on 2025-04-03 and last updated on 2026-08-04.

CVE-2025-22457

CVE-2025-22457 is a critical-severity vulnerability in Ivanti Connect Secure with a CVSS 3.x base score of 9.0. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-04-04). The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 100% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2025-04-04)
EU (EUVD) id: EUVD-2025-9646
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-04-04)
Weakness: CWE-787
Affected product: Ivanti Connect Secure
Published: 2025-04-03
Last modified: 2026-08-04

Description

A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTA Gateways before version 22.8R2.2 allows a remote unauthenticated attacker to achieve remote code execution.

Frequently asked questions

What is CVE-2025-22457?: A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTA Gateways before version 22.8R2.2 allows a remote unauthenticated attacker to achieve remote code execution.
How severe is CVE-2025-22457?: CVE-2025-22457 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-22457 being actively exploited?: Yes. CVE-2025-22457 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-04-04, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2025-22457?: CVE-2025-22457 primarily affects Ivanti Connect Secure. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-22457?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2025-22457 have an EU (EUVD) identifier?: Yes. CVE-2025-22457 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9646. It is also flagged as exploited in the EUVD (since 2025-04-04).
When was CVE-2025-22457 published?: CVE-2025-22457 was published on 2025-04-03 and last updated on 2026-08-04.

References

Affected products (23)

cpe:2.3:a:ivanti:connect_secure:*:-:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:-:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r1.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r1.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r1.3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r1.4:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r1.5:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r2.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r2.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r2.3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r2.4:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r2.5:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:*:-:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:22.7:-:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:22.7:r1:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:22.7:r1.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:22.7:r1.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:22.7:r1.3:*:*:*:*:*:*
cpe:2.3:a:ivanti:zero_trust_access_gateway:*:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:zero_trust_access_gateway:22.8:-:*:*:*:*:*:*
cpe:2.3:a:ivanti:zero_trust_access_gateway:22.8:r2.1:*:*:*:*:*:*

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CVE-2019-11510 — Critical (CVSS 10.0): In Pulse Secure Pulse Connect Secure (PCS) 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4, an…
CVE-2016-4787 — Critical (CVSS 10.0): Pulse Connect Secure (PCS) 8.2 before 8.2r1, 8.1 before 8.1r2, 8.0 before 8.0r10, and 7.4 before 7.4r13.4 allow remote…
CVE-2025-22467 — Critical (CVSS 9.9): A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6 allows a remote authenticated attacker…
CVE-2024-21894 — Critical (CVSS 9.8): A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows…
CVE-2018-20813 — Critical (CVSS 9.8): An input validation issue has been found with login_meeting.cgi in Pulse Secure Pulse Connect Secure 8.3RX before 8.3R2.

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