Vulnerability · Published Jun 21, 2022 · Assigned by mitre
CVE-2021-40511
High 7.5
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)0.9%top 38.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
OBDA systems’ Mastro 1.0 is vulnerable to XML Entity Expansion (aka “billion laughs”) attack allowing denial of service.
Affected products (as reported)
References
- https://www.obdasystems.com/mastro x_refsource_MISC
- https://www.cyberiskvision.com/advisory/ x_refsource_MISC