Is CVE-2005-0877 in the CISA KEV catalog?

No. CVE-2005-0877 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2005-0877?

CVE-2005-0877 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2005-0877?

CVE-2005-0877 has an EPSS score of 1.87% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2005-0877?

Upgrade dnsmasq on debian 11 to 2.21 or later.

CVE & CISA-KEV Catalog

CVE-2005-0877

HIGHEPSS 77th pctl

7.5

CVSS v3

NVD

Description

Dnsmasq before 2.21 allows remote attackers to poison the DNS cache via answers to queries that were not made by Dnsmasq.

CWE-346

How to fix

Remediation Available

dnsmasqDebian

Fixed in:2.21CVE-2005-0877

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

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.87%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Patch2

Third-Party Advisory1

exchange.xforce.ibmcloud.com

Release Notes1

thekelleys.org.uk

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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 2026-04-16.