Vulnerability · Published Nov 10, 2021 · Assigned by CERTVDE
CVE-2021-34598Phoenix Contact: FL MGUARD lack of memory release in remote logging functionality
High 7.5
In plain English
A high-severity memory leak in FL MGUARD from PHOENIX CONTACT. 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 3.1)7.5High
Exploit odds (30 days)0.9%top 39.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 the remote logging functionality is impaired by the lack of memory release for data structures from syslog-ng when remote logging is active
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PHOENIX CONTACT | FL MGUARD | 1.4.0 – before FL MGUARD 1102 (No. 1153079)*1.4.0 – before FL MGUARD 1105 (No. 1153078)* |
Weakness: CWE-401 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://cert.vde.com/en/advisories/VDE-2021-046/ x_refsource_CONFIRM