Vulnerability in Xack DNS
CVE-2020-5591
XACK DNS 1.11.0 to 1.11.4, 1.10.0 to 1.10.8, 1.8.0 to 1.8.23, 1.7.0 to 1.7.18, and versions before 1.7.0 allow remote attackers to cause a denial of service condition resulting in degradation of the recursive resolver's performance or compromising the recursive resolver as a reflector in a reflection attack.
EPSS: 0.016 (73.9th 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
- Xack Xack_dns
- Xack, Inc. Xack Dns — versions 1.11.0 to 1.11.4, 1.10.0 to 1.10.8, 1.8.0 to 1.8.23, 1.7.0 to 1.7.18, and versions before 1.7.0
Weakness classification (CWE)
References
- vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
- vultures@jpcert.or.jp (VDB Entry, Third Party Advisory, x_refsource_MISC, Mitigation)
Frequently asked questions
- What is CVE-2020-5591?
- CVE-2020-5591 is a high-severity vulnerability in Xack DNS, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2020-06-05.
- How severe is CVE-2020-5591?
- High severity. CVSS v3 base score is 7.5 out of 10.