Arbitrary file upload in Ivanti Avalanche

CVE-2023-28128

An unrestricted upload of file with dangerous type vulnerability exists in Avalanche versions 6.3.x and below that could allow an attacker to achieve a remove code execution.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.847 (99.7th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-28128: held from 0.847 to 0.847.

EPSS over last 30 days · oldest: 0.847 · newest: 0.847 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-28128?
CVE-2023-28128 is a high-severity vulnerability in Ivanti Avalanche, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2023-05-09.
How severe is CVE-2023-28128?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2023-28128 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.