What is CVE-2020-9307?

CVE-2020-9307 is a medium-severity vulnerability in Belden Hirschmann_hios, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2021-02-11.

How severe is CVE-2020-9307?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Belden Hirschmann_hios

CVE-2020-9307

Hirschmann OS2, RSP, and RSPE devices before HiOS 08.3.00 allow a denial of service. An unauthenticated, adjacent attacker can cause an infinite loop on one of the HSR ring ports of the device. This effectively breaks the redundancy of the…

EPSS: 0.006 (43.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Belden Hirschmann_hios
N/a — versions n/a

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-9307?: CVE-2020-9307 is a medium-severity vulnerability in Belden Hirschmann_hios, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2021-02-11.
How severe is CVE-2020-9307?: Medium severity. CVSS v3 base score is 6.5 out of 10.