Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2005-0877

21
FAUCET Score

CVE-2005-0877 describes a DNS cache poisoning vulnerability in Dnsmasq versions prior to 2.21, allowing remote attackers to inject malicious DNS records into the cache by responding to queries not initiated by Dnsmasq itself. This vulnerability carries a high CVSS score of 7.5, indicating a network-based attack with low complexity that can lead to high integrity impact, specifically DNS redirection. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this older vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.21CPE matchmatch criteria
cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.87%
Probability of exploitation in next 30 days
EPSS Percentile
77.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0187 is in the 60th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2005-0877Moderate

dnsmasq: DNS cache poisoning from local network may lead to DoS

Oct 2, 2021

References

secunia.com / advisories/14691
Broken LinkPatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/19826
Third Party AdvisoryVDB Entry
securityfocus.com / bid/12897
Broken LinkPatchThird Party AdvisoryVDB Entry
thekelleys.org.uk / dnsmasq/CHANGELOG
Release Notes