Is CVE-2024-38270 in the CISA KEV catalog?

No. CVE-2024-38270 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-38270?

CVE-2024-38270 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2024-38270?

CVE-2024-38270 has an EPSS score of 0.21% (12th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-38270?

Upgrade gs1900-10hp firmware to 2.80(aazi.1)c0 or later. Fixes are available for 8 affected products.

CVE & CISA-KEV Catalog

CVE-2024-38270

MEDIUM

5.3

CVSS v3

NVD

Description

An insufficient entropy vulnerability caused by the improper use of a randomness function with low entropy for web authentication tokens generation exists in the Zyxel GS1900-10HP firmware version V2.80(AAZI.0)C0. This vulnerability could allow a LAN-based attacker a slight chance to gain a valid session token if multiple authenticated sessions are alive.

CWE-331

How to fix

Remediation Available

gs1900-10hp firmwareNVD

Affected:< 2.80(aazi.1)c0Fixed in:2.80(aazi.1)c0CVE-2024-38270derived from NVD

gs1900-16 firmwareNVD

Affected:< 2.80(aahj.1)c0Fixed in:2.80(aahj.1)c0CVE-2024-38270derived from NVD

gs1900-24ep firmwareNVD

Affected:< 2.80(abto.1)c0Fixed in:2.80(abto.1)c0CVE-2024-38270derived from NVD

gs1900-24hpv2 firmwareNVD

Affected:< 2.80(abtp.1)c0Fixed in:2.80(abtp.1)c0CVE-2024-38270derived from NVD

gs1900-48 firmwareNVD

Affected:< 2.80(aahn.1)c0Fixed in:2.80(aahn.1)c0CVE-2024-38270derived from NVD

gs1900-48hpv2 firmwareNVD

Affected:< 2.80(abtq.1)c0Fixed in:2.80(abtq.1)c0CVE-2024-38270derived from NVD

gs1900-8 firmwareNVD

Affected:< 2.80(aahh.1)c0Fixed in:2.80(aahh.1)c0CVE-2024-38270derived from NVD

gs1900-8hp firmwareNVD

Affected:< 2.80(aahi.1)c0Fixed in:2.80(aahi.1)c0CVE-2024-38270derived 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 VectorAdjacent

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

12thpercentile

Low risk: more likely to be exploited than 12% of all known CVEs.

References

Vendor Advisory1

zyxel.com

Related Vulnerabilities

Other CWE-331 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2008-1447	Medium	6.8	95%	-	Fix
CVE-2018-18326	High	7.5	54%	-	-
CVE-2018-15812	High	7.5	47%	-	-
CVE-2015-3405	High	7.5	5.3%	-	Fix
CVE-2008-2108	Critical	9.8	4.3%	-	Fix
CVE-2017-0897	High	7.5	4.0%	-	-

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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 2024-09-18.