What is CVE-2020-4934?

CVE-2020-4934 is a medium-severity vulnerability in IBM Aix, classified under Path Traversal. CVSS score: 4.3/10. Published 2021-02-02.

How severe is CVE-2020-4934?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Path Traversal in IBM Aix

CVE-2020-4934

IBM Content Navigator 3.0.CD 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 view arbitrary files on the system. IBM X-Force ID: 191752.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2021-02-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.018 (78.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-22 — Path Traversal

References

www.ibm.com/support/pages/node/6410504 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/191752 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4934?: CVE-2020-4934 is a medium-severity vulnerability in IBM Aix, classified under Path Traversal. CVSS score: 4.3/10. Published 2021-02-02.
How severe is CVE-2020-4934?: Medium severity. CVSS v3 base score is 4.3 out of 10.