CVE-2021-1539

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
ciscoCNA
8.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 51%
VendorProductVersion
ciscostaros
𝑥
< 21.16.9
ciscostaros
21.17.0 ≤
𝑥
< 21.17.10
ciscostaros
21.18.0 ≤
𝑥
< 21.18.16
ciscostaros
21.19.0 ≤
𝑥
< 21.19.11
ciscostaros
21.19.n ≤
𝑥
< 21.19.n7
ciscostaros
21.20.0 ≤
𝑥
< 21.20.8
ciscovirtualized_packet_core
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr5k-autho-bypass-mJDF5S7n
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr5k-autho-bypass-mJDF5S7n