CVE detail

CVE-2021-1540 — CVE-2021-1540

Published 2021-06-04 · Modified 2026-06-17 · Vendor cisco · Product staros · Source nvd

HIGH

severity

CVSS-derived band

8.1

CVSS v3

0–10 scale

0.0105

EPSS probability

exploitation probability, 30d

61.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

Description

Multiple vulnerabilities in the authorization process of Cisco ASR 5000 Series Software (StarOS) could allow an authenticated, remote attacker to bypass authorization and execute a subset of CLI commands on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Remediation

Product	Vulnerable range	Fixed version	Advisory
Cisco Cisco ASR 5000 Series Software	—	not specified	advisory ↗

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.