Vulnerability · Published Jun 5, 2020 · Assigned by jpcert
CVE-2020-5591
High 7.5
In plain English
A high-severity security flaw in XACK DNS from XACK, Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.6%top 23.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| XACK, Inc. | 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 |
References
- https://xack.co.jp/info/?ID=622 x_refsource_MISC
- https://jvn.jp/en/jp/JVN40208370/index.html x_refsource_MISC