What is CVE-2021-39290?

CVE-2021-39290 is a critical-severity vulnerability in Netmodule Nb1600, classified under Session Fixation. CVSS score: 9.8/10. Published 2021-08-23.

How severe is CVE-2021-39290?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Netmodule Nb1600

CVE-2021-39290

Certain NetModule devices allow Limited Session Fixation via PHPSESSID. These models with firmware before 4.3.0.113, 4.4.0.111, and 4.5.0.105 are affected: NB800, NB1600, NB1601, NB1800, NB1810, NB2700, NB2710, NB2800, NB2810, NB3700, NB3701, NB3710, NB3711, NB3720, and NB3800.

EPSS: 0.015 (72.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-384 — Session Fixation

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-39290?: CVE-2021-39290 is a critical-severity vulnerability in Netmodule Nb1600, classified under Session Fixation. CVSS score: 9.8/10. Published 2021-08-23.
How severe is CVE-2021-39290?: Critical severity. CVSS v3 base score is 9.8 out of 10.