CVE-2025-22457

Published Apr 3, 2025

Last updated 12 days ago

Exploit known CVSS critical 9.0

Ivanti

Connect Secure

Policy Secure

Overview

AI description

Automated description summarized from trusted sources.

CVE-2025-22457 is a stack-based buffer overflow vulnerability affecting Ivanti Connect Secure, Ivanti Policy Secure, and Ivanti ZTA Gateways. It allows a remote, unauthenticated attacker to execute arbitrary code on the target device. The vulnerability is triggered by network access to the impacted appliances. Exploitation of CVE-2025-22457 has been observed in the wild, with attackers using a shell script dropper to inject the BRUSHFIRE passive backdoor into a running web process.

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.
Source: 3c1d8aa1-5a33-4ea4-8992-aadd6440af75
NVD status: Analyzed
Products: connect_secure, policy_secure, zero_trust_access_gateway

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

Known exploits

Data from CISA

Vulnerability name: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
Exploit added on: Apr 4, 2025
Exploit action due: Apr 11, 2025
Required action: Apply mitigations as set forth in the CISA instructions linked below.

Weaknesses

3c1d8aa1-5a33-4ea4-8992-aadd6440af75: CWE-121
nvd@nist.gov: CWE-787

Hype score: Not currently trending

Configurations

[
  {
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      {
        "negate": false,
        "cpeMatch": [
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            "vulnerable": true,
            "matchCriteriaId": "A0EC2FCD-5402-4269-B86A-18F8DFB8F2C9",
            "versionEndExcluding": "22.7"
          },
          {
            "criteria": "cpe:2.3:a:ivanti:connect_secure:22.7:-:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "F788F6D9-5368-4B8E-BFA0-E8FB3CDADB01"
          },
          {
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            "vulnerable": true,
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          },
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            "vulnerable": true,
            "matchCriteriaId": "1399BBB4-E62B-4FF6-B9E3-6AAC68D4D583"
          },
          {
            "criteria": "cpe:2.3:a:ivanti:connect_secure:22.7:r1.2:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "1EAD1423-4477-4C35-BF93-697A2C0697C6"
          },
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            "vulnerable": true,
            "matchCriteriaId": "858353BC-12CB-4014-BFCA-DA7B1B3DD4B9"
          },
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          },
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          },
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          },
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          },
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            "vulnerable": true,
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            "vulnerable": true,
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          },
          {
            "criteria": "cpe:2.3:a:ivanti:policy_secure:22.7:r1.2:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "8D24A8DB-D697-4C60-935D-B08EE36861CB"
          },
          {
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            "vulnerable": true,
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          },
          {
            "criteria": "cpe:2.3:a:ivanti:zero_trust_access_gateway:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "B2E32E9D-45B1-4007-A385-799230ABDF09",
            "versionEndExcluding": "22.8"
          },
          {
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            "vulnerable": true,
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          },
          {
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            "vulnerable": true,
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        ],
        "operator": "OR"
      }
    ]
  }
]

References

Sources include official advisories and independent security research.