Resource exhaustion in Powerdns Recursor
CVE-2020-10995
PowerDNS Recursor from 4.1.0 up to and including 4.3.0 does not sufficiently defend against amplification attacks. An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.044 (90.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Powerdns Recursor
- Debian Debian_linux — versions 10.0
- Fedoraproject Fedora — versions 31, 32
- Opensuse Backports_sle — versions 15.0
- Opensuse Leap — versions 15.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Technical Description, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2020-10995?
- CVE-2020-10995 is a high-severity vulnerability in Powerdns Recursor, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-05-19.
- How severe is CVE-2020-10995?
- High severity. CVSS v3 base score is 7.5 out of 10.