Vulnerability · Published Jun 24, 2022 · Assigned by CERTVDE
CVE-2022-31804CODESYS Gateway server prone to denial of service attack due to excessive memory allocation
High 7.5
In plain English
A high-severity security flaw in CODESYS Gateway Server V2 from CODESYS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 67% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.2%top 32.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The CODESYS Gateway Server V2 does not verifiy that the size of a request is within expected limits. An unauthenticated attacker may allocate an arbitrary amount of memory, which may lead to a crash of the Gateway due to an out-of-memory condition.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| CODESYS | CODESYS Gateway Server V2 | unspecified – before V2.3.9.38 |
Weakness: CWE-789 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H