Is CVE-2021-39290 in the CISA KEV catalog?

No. CVE-2021-39290 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-39290?

CVE-2021-39290 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-39290?

CVE-2021-39290 has an EPSS score of 1.53% (72th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-39290?

Upgrade netmodule router software to 4.5.0.105 or later.

CVE & CISA-KEV Catalog

CVE-2021-39290

CRITICALEPSS 72th pctl

9.8

CVSS v3

NVD

Description

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.

CWE-384

How to fix

Remediation Available

netmodule router softwareNVD

Affected:>= 4.5.0.0, < 4.5.0.105Fixed in:4.5.0.105CVE-2021-39290derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.53%probability of exploitation in 30 days

72ndpercentile

Elevated risk: more likely to be exploited than 72% of all known CVEs.

References

Exploit1

seclists.org

Vendor Advisory1

netmodule.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.