What is CVE-2021-1244?

CVE-2021-1244 is a medium-severity vulnerability in Cisco 8201, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.7/10. Published 2021-02-04.

How severe is CVE-2021-1244?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Vulnerability in Cisco 8201

CVE-2021-1244

Multiple vulnerabilities in Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for the Cisco 8000 Series Routers could allow an authenticated, local…

EPSS: 0.002 (10.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco 8201
Cisco 8202
Cisco 8808
Cisco 8812
Cisco 8818
Cisco Ios Xr Software — versions n/a
Cisco Ios_xr
Cisco Ncs_540

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

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

Frequently asked questions

What is CVE-2021-1244?: CVE-2021-1244 is a medium-severity vulnerability in Cisco 8201, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.7/10. Published 2021-02-04.
How severe is CVE-2021-1244?: Medium severity. CVSS v3 base score is 6.7 out of 10.