CVE-2021-1540
CVSS V2 Medium 6
CVSS V3 High 7.2
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.
Overview
- CVE ID
- CVE-2021-1540
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-06-04T17:15:09
- Last Modified Date
- 2021-06-14T17:56:46
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:cisco:staros:*:*:*:*:*:*:*:* | 1 | OR | 21.16.9 | |
| cpe:2.3:o:cisco:staros:*:*:*:*:*:*:*:* | 1 | OR | 21.17.0 | 21.17.10 |
| cpe:2.3:o:cisco:staros:*:*:*:*:*:*:*:* | 1 | OR | 21.18.0 | 21.18.16 |
| cpe:2.3:o:cisco:staros:*:*:*:*:*:*:*:* | 1 | OR | 21.19.0 | 21.19.11 |
| cpe:2.3:o:cisco:staros:*:*:*:*:*:*:*:* | 1 | OR | 21.19.n | 21.19.n7 |
| cpe:2.3:o:cisco:staros:*:*:*:*:*:*:*:* | 1 | OR | 21.20.0 | 21.20.8 |
| cpe:2.3:h:cisco:asr_5000:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:asr_5500:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:asr_5700:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:a:cisco:virtualized_packet_core:-:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:S/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6
- Severity
- MEDIUM
- Exploitability Score
- 6.8
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.2
- Base Severity
- HIGH
- Exploitability Score
- 1.2
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr5k-autho-bypass-mJDF5S7n | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-1540 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1540 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:11:47 | Added to TrackCVE | |||
| 2022-12-05 03:34:52 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-05 03:34:52 | 2021-06-04T17:15Z | 2021-06-04T17:15:09 | CVE Published Date | updated |
| 2022-12-05 03:34:52 | 2021-06-14T17:56:46 | CVE Modified Date | updated | |
| 2022-12-05 03:34:52 | Analyzed | Vulnerability Status | updated |