Is CVE-2018-25021 in the CISA KEV catalog?

No. CVE-2018-25021 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-25021?

CVE-2018-25021 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-25021?

CVE-2018-25021 has an EPSS score of 2.27% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-25021?

Upgrade libtoxcore on debian 11 to 0.2.8-1 or later.

CVE & CISA-KEV Catalog

CVE-2018-25021

HIGHEPSS 81th pctl

7.5

CVSS v3

NVD

Description

The TCP Server module in toxcore before 0.2.8 doesn't free the TCP priority queue under certain conditions, which allows a remote attacker to exhaust the system's memory, causing a denial of service (DoS).

CWE-404

How to fix

Remediation Available

libtoxcoreDebian

Fixed in:0.2.8-1CVE-2018-25021

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.27%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Exploit1

github.com

Third-Party Advisory2

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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.