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cve[email protected]CVE-2021-1539
HistoryJun 04, 2021 - 5:15 p.m.

CVE-2021-1539

2021-06-0417:15:09
CWE-863
web.nvd.nist.gov
34
5
cisco
asr 5000 series
staros
bypass authorization
cli commands
nvd
cve-2021-1539

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.6 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.5%

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.

Affected configurations

NVD
Node
ciscostarosRange<21.16.9
OR
ciscostarosRange21.17.0–21.17.10
OR
ciscostarosRange21.18.0–21.18.16
OR
ciscostarosRange21.19.0–21.19.11
OR
ciscostarosRange21.19.n–21.19.n7
OR
ciscostarosRange21.20.0–21.20.8
AND
ciscoasr_5000Match-
OR
ciscoasr_5500Match-
OR
ciscoasr_5700Match-
Node
ciscovirtualized_packet_coreMatch-

CNA Affected

[
  {
    "product": "Cisco ASR 5000 Series Software ",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

Social References

More

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.6 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.5%

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