Is CVE-2023-28488 in the CISA KEV catalog?

No. CVE-2023-28488 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-28488?

CVE-2023-28488 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-28488?

CVE-2023-28488 has an EPSS score of 0.96% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-28488?

Upgrade connman on debian 11 to 1.36-2.2+deb11u2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-28488

MEDIUM

6.5

CVSS v3

NVD

Description

client.c in gdhcp in ConnMan through 1.41 could be used by network-adjacent attackers (operating a crafted DHCP server) to cause a stack-based buffer overflow and denial of service, terminating the connman process.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

connmanDebian

Fixed in:1.36-2.2+deb11u2CVE-2023-28488

Fixed in:1.41-3CVE-2023-28488

connmanUbuntu

Fixed in:1.21-1.2+deb8u1ubuntu0.1~esm1USN-6236-1

Fixed in:1.35-6ubuntu0.1~esm1USN-6236-1

Fixed in:1.36-2ubuntu0.1USN-6236-1

Fixed in:1.36-2.3ubuntu0.1USN-6236-1

Fixed in:1.41-2ubuntu0.23.04.1USN-6236-1

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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.96%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Patch2

Other references2

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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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 2025-02-08.