What is CVE-2022-45891?

CVE-2022-45891 is a critical-severity vulnerability in Planetestream Planet Estream, classified under Incorrect Authorization. CVSS score: 9.1/10. Published 2022-12-25.

How severe is CVE-2022-45891?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Planetestream Planet Estream

CVE-2022-45891

Planet eStream before 6.72.10.07 allows attackers to call restricted functions, and perform unauthenticated uploads (Upload2.ashx) or access content uploaded by other users (View.aspx after Ajax.asmx/SaveGrantAccessList).

Vulnerability class: Broken Access Control

Published 2022-12-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Planetestream Planet Estream

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-45891?: CVE-2022-45891 is a critical-severity vulnerability in Planetestream Planet Estream, classified under Incorrect Authorization. CVSS score: 9.1/10. Published 2022-12-25.
How severe is CVE-2022-45891?: Critical severity. CVSS v3 base score is 9.1 out of 10.