What is CVE-2025-0282?

CVE-2025-0282 is a critical-severity vulnerability in Ivanti Connect Secure, classified under Stack-based Buffer Overflow. CVSS score: 9.0/10. Published 2025-01-08.

How severe is CVE-2025-0282?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Is CVE-2025-0282 known to be exploited?

Yes. CVE-2025-0282 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-01-08), indicating it is being actively exploited. 39 public proof-of-concept repositories are indexed.

Buffer overflow in Ivanti Connect Secure

CVE-2025-0282

A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.5, Ivanti Policy Secure before version 22.7R1.2, and Ivanti Neurons for ZTA gateways before version 22.7R2.3 allows a remote unauthenticated attacker to achieve remote code execution.

Vulnerability class: Buffer Overflow

Published 2025-01-08 · last modified 2026-10-01.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 1.000 (100.0th percentile), scored 2026-10-16.

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 100.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 1.000 · newest: 1.000 · change: +0.000

Affected products

Ivanti Connect Secure — versions 22.7R2, 22.7R2.5
Ivanti Connect Secure — versions 22.7
Ivanti Neurons For Zero-Trust Access — versions 22.7
Ivanti Neurons For Zta Gateways — versions 22.7R2, 22.7R2.5
Ivanti Policy Secure — versions 22.7R1
Ivanti Policy Secure — versions 22.7

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2025-01-08. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2025-01-15.

Required action: Apply mitigations as set forth in the CISA instructions linked below to include conducting hunt activities, taking remediation actions if applicable, and applying updates prior to returning a device to service.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

3c1d8aa1-5a33-4ea4-8992-aadd6440af75 (Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Exploit, Technical Description)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory, US Government Resource)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2025-0282?: CVE-2025-0282 is a critical-severity vulnerability in Ivanti Connect Secure, classified under Stack-based Buffer Overflow. CVSS score: 9.0/10. Published 2025-01-08.
How severe is CVE-2025-0282?: Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2025-0282 known to be exploited?: Yes. CVE-2025-0282 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-01-08), indicating it is being actively exploited. 39 public proof-of-concept repositories are indexed.