What is CVE-2020-4209?

CVE-2020-4209 is a medium-severity vulnerability in IBM Spectrum Protect Plus, classified under Path Traversal. CVSS score: 5.4/10. Published 2020-05-04.

How severe is CVE-2020-4209?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Path Traversal in IBM Spectrum Protect Plus

CVE-2020-4209

IBM Spectrum Protect Plus 10.1.0 through 10.1.5 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to create arbitrary files on the system. IBM X-Force ID: 175019.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2020-05-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.014 (70.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

IBM Spectrum Protect Plus — versions 10.1.0, 10.1.5
IBM Spectrum Protect Plus
Linux Kernel

Weakness classification (CWE)

CWE-22 — Path Traversal

References

www.ibm.com/support/pages/node/6116488 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/175019 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4209?: CVE-2020-4209 is a medium-severity vulnerability in IBM Spectrum Protect Plus, classified under Path Traversal. CVSS score: 5.4/10. Published 2020-05-04.
How severe is CVE-2020-4209?: Medium severity. CVSS v3 base score is 5.4 out of 10.