CVE-2005-0877
Dnsmasq before 2.21 allows remote attackers to poison the DNS cache via answers to queries that were not made by Dnsmasq.
02 Description
Dnsmasq before 2.21 allows remote attackers to poison the DNS cache via answers to queries that were not made by Dnsmasq.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.97% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 80.2% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2005-03-26 05:00Z21 YR AGO
- Last updated
- 2024-08-07 21:28Z2 YR AGO
- Reserved
- 2005-03-26
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-346Origin Validation ErrorClass
- Data version
- 5.1
- Document digest
- 6b56e36ead007d9336652df6235af5775cf019335da061cdb4f29741475975b4
05 Affected products
06 References
- exchange.xforce.ibmcloud.comdnsmasq-dns-cache-poisoning(19826)https://exchange.xforce.ibmcloud.com/vulnerabilities/19826
- secunia.com14691http://secunia.com/advisories/14691
- www.thekelleys.org.ukhttp://www.thekelleys.org.uk/dnsmasq/CHANGELOG
- www.securityfocus.com12897http://www.securityfocus.com/bid/12897
07 Fixed in
Debian 12
- dnsmasq Fixed in 2.21
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- dnsmasq Fixed in 2.21
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- dnsmasq Fixed in 2.21
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.