Security readout for executives and security teams
Plain-English summary
This flaw lets an unauthenticated remote attacker take control of vulnerable Ivanti security gateways. Successful compromise could expose protected traffic, credentials, configurations, and connected systems, while disrupting remote access. Because CISA lists the vulnerability as known exploited, affected organizations should treat it as an urgent incident-response concern, not merely a routine patching issue.
Executive priority
Immediate priority. Identify affected gateways, upgrade them, and initiate compromise assessment, beginning with externally reachable systems. Confirm completion through version evidence and security review. If remediation cannot occur promptly, escalate the exposure and follow Ivanti's current vendor guidance for risk reduction rather than relying on attack complexity.
Technical view
CVE-2025-22457 is a stack-based buffer overflow (CWE-121) enabling remote code execution without authentication or user interaction. It affects Ivanti Connect Secure before 22.7R2.6, Policy Secure before 22.7R1.4, and Neurons for ZTA gateways before 22.8R2.2. CVSS 3.1 rates it 9.0; exploitation requires high attack complexity but can severely affect confidentiality, integrity, and availability.
Likely exposure
Exposure exists where affected Ivanti appliances run versions below the stated thresholds and are reachable by potential attackers. Internet-accessible Connect Secure gateways warrant particular attention because their remote-access role commonly requires external connectivity. The bundle does not identify affected deployment counts or configurations that might reduce exposure.
Exploitation context
Active exploitation is supported by CISA's inclusion of CVE-2025-22457 in the Known Exploited Vulnerabilities catalog. The supplied evidence does not describe attacker identities, exploitation scale, indicators of compromise, or whether every affected product has been targeted. High attack complexity should not be treated as meaningful protection given confirmed exploitation.
Researcher notes
The vulnerability crosses a security boundary and permits unauthenticated remote code execution, explaining the CVSS scope change and high impact ratings. The source bundle provides no vulnerable function, protocol, proof of concept, indicators, or root-cause detail beyond CWE-121. Version language in the description should govern: products before the listed releases are affected.
Mitigation direction
- Upgrade Connect Secure to 22.7R2.6 or later, following Ivanti guidance.
- Upgrade Policy Secure to 22.7R1.4 or later, following Ivanti guidance.
- Upgrade Neurons for ZTA gateways to 22.8R2.2 or later, following Ivanti guidance.
- Prioritize externally reachable appliances and apply any additional Ivanti advisory measures.
- Investigate vulnerable appliances for compromise; patching alone may not remove an established attacker.
Validation and detection
- Inventory all Ivanti Connect Secure, Policy Secure, and Neurons for ZTA gateway deployments.
- Verify installed versions against each product's stated fixed-version threshold.
- Confirm updates completed successfully and appliances now report supported, non-vulnerable versions.
- Review relevant telemetry and Ivanti guidance for evidence of compromise around vulnerable appliances.
- Document unreachable, retired, or otherwise exempt systems with supporting evidence and ownership.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-121: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2025-22457 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H2.26ivantiVulnerability scoring details
Base CVSS 3.1 score
9CriticalVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- Added to KEVCISA-ADP
CISA Known Exploited Vulnerabilities metadata lists this CVE as known exploited.
- ADP timelineCISA-ADP
CVE-2025-22457 added to CISA KEV
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
- 2025-04-04T00:00:00.000Z: CVE-2025-22457 added to CISA KEV
Source materials
- CVE List V5 sourceCVE List V5
- https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457CVE reference, ivanti
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-22457CVE reference, CISA-ADP · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.