What is CVE-2022-39820?

CVE-2022-39820 is a medium-severity vulnerability in Nokia Network Functions Manager For Transport, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2023-12-25.

How severe is CVE-2022-39820?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Nokia Network Functions Manager For Transport

CVE-2022-39820

In Network Element Manager in NOKIA NFM-T R19.9, an Unprotected Storage of Credentials vulnerability occurs under /root/RestUploadManager.xml.DRC and /DEPOT/KECustom_199/OTNE_DRC/RestUploadManager.xml. A remote user, authenticated to the operating system, with access privileges to the directory /root or /DEPOT, is able to read cleartext credentials to access the web portal NFM-T and control all the PPS Network elements.

Published 2023-12-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Nokia Network Functions Manager For Transport — versions 19.9

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

www.gruppotim.it/it/footer/red-team.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-39820?: CVE-2022-39820 is a medium-severity vulnerability in Nokia Network Functions Manager For Transport, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2023-12-25.
How severe is CVE-2022-39820?: Medium severity. CVSS v3 base score is 6.5 out of 10.