CVE-2025-22457: Ivanti exploited

Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.

What it is

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.

Description quoted from the CVE record (assigned by ivanti, published 2025-04-03).

Weakness: CWE-121 Stack-based Buffer Overflow

How it can be exploited

Exploitable over the network with high attack complexity needing no privileges and no user interaction. Impact: confidentiality high, integrity high, availability high. CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: no. Technical impact: total.

On CISA KEV since: 2025-04-04
US federal deadline: 2025-04-11
Ransomware use: Yes

Public exploit evidence (Exploit Observer)

Also known as: BDU:2025-03788, CNNVD-202504-663, EUVD-2025-9646, GHSA-jjr5-fpcg-gc53

VEDAS cluster: VEDAS:BELLSHADOW

Exploit Observer links 10 pieces of public exploit code or detection modules that name this CVE or one of its aliases.

Exploit code and modules (10)

Code that names this CVE. A repository can be a working exploit, a scanner, a fake or malware; read it before running anything.

Metasploit module: https://www.rapid7.com/db/modules/exploit/linux/http/ivanti_connect_secure_stack_overflow_rce_cve_2025_22457/
Nuclei template: https://raw.githubusercontent.com/projectdiscovery/nuclei-templates/main/code/cves/2025/CVE-2025-22457.yaml
Code repository: https://github.com/b1ack4sh/blackash-cve-2025-22457
Code repository: https://github.com/benmevic/cve-2025-22457
Code repository: https://github.com/donofly/cve-2025-22457-vulnserver-lab
Code repository: https://github.com/llussiess/cve-2025-22457
Code repository: https://github.com/n4sl1/cve-2025-22457-poc
Code repository: https://github.com/securekomodo/cve-2025-22457
Code repository: https://github.com/sfewer-r7/cve-2025-22457
Code repository: https://github.com/trone-ux/cve-2025-22457

Research and write-ups (3)

Research or write-up: https://attackerkb.com/topics/0ybGQIkHzR/cve-2025-22457/rapid7-analysis
Research or write-up: https://labs.watchtowr.com/is-the-sofistication-in-the-room-with-us-x-forwarded-for-and-ivanti-connect-secure-cve-2025-22457
Research or write-up: https://www.rapid7.com/db/vulnerabilities/pulse-secure-pulse-connect-secure-cve-2025-22457

Vulnerability databases and vendor advisories (10)

Catalogue entries, not exploit evidence.

Vulnerability database or vendor advisory: https://access.redhat.com/security/cve/cve-2025-22457
Vulnerability database or vendor advisory: https://euvd.enisa.europa.eu/enisa/EUVD-2025-9646
Vulnerability database or vendor advisory: https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457
Vulnerability database or vendor advisory: https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457?language=en_US
Vulnerability database or vendor advisory: https://github.com/advisories/GHSA-jjr5-fpcg-gc53
Vulnerability database or vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-22457
Vulnerability database or vendor advisory: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-22457
Vulnerability database or vendor advisory: https://www.cnnvd.org.cn/home/globalSearch?keyword=CNNVD-202504-663
Vulnerability database or vendor advisory: https://www.cvedetails.com/cve/CVE-2025-22457
Vulnerability database or vendor advisory: https://www.tenable.com/cve/CVE-2025-22457

349 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.

VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.

Live scores

EPSS: 1.000
very likely to be attacked soon
VEDAS: 0.981
strong exploit evidence
On CISA KEV: Yes, since 2025-04-04
Detection rule: None yet

EPSS (chance of attack)

VEDAS (exploit evidence)

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.

Who is affected

Product	Affected	Not affected
Ivanti Connect Secure	Not stated	22.7R2.6 is not affected
Ivanti Policy Secure	Not stated	22.7R1.4 is not affected
Ivanti Neurons for ZTA gateways	Not stated	22.8R2.2 is not affected

Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.

Exploit Observer also maps it to: ivanti connect_secure, ivanti policy_secure, ivanti pulse_connect_secure_(eos), ivanti zero_trust_access_gateway, ivanti zta_gateways.

How to fix it

CISA required action: Apply mitigations as set forth in the CISA instructions linked below.

Vendor guidance:

How to detect it

There is no open VEDAS detection rule for this bug yet. It is listed on the detection gaps page if CISA has confirmed attacks.

Advisories on this CVE

Ivanti Connect Secure zero-day (CVE-2025-0282) (8 Jan 2025)

References

Government sources

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-22457 (government-resource)

Other references

https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457

Other databases

Where this comes from

This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.