What is CVE-2021-40119?

CVE-2021-40119 is a critical-severity vulnerability in Cisco Policy Suite (Cps) Software, classified under Use of Hard-coded Cryptographic Key. CVSS score: 9.8/10. Published 2021-11-04.

How severe is CVE-2021-40119?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Cisco Policy Suite (Cps) Software

CVE-2021-40119

A vulnerability in the key-based SSH authentication mechanism of Cisco Policy Suite could allow an unauthenticated, remote attacker to log in to an affected system as the root user. This vulnerability is due to the re-use of static SSH keys across installations. An attacker could exploit this vulnerability by extracting a key from a system under their control. A successful exploit could allow the attacker to log in to an affected system as the root user.

EPSS: 0.024 (82.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco Policy Suite (Cps) Software — versions n/a
Cisco Policy_suite

Weakness classification (CWE)

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2021-40119?: CVE-2021-40119 is a critical-severity vulnerability in Cisco Policy Suite (Cps) Software, classified under Use of Hard-coded Cryptographic Key. CVSS score: 9.8/10. Published 2021-11-04.
How severe is CVE-2021-40119?: Critical severity. CVSS v3 base score is 9.8 out of 10.