CVE-2021-1539
CVSS V2 Medium 6.5
CVSS V3 High 8.8
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-2021-1539
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-06-04T17:15:09
- Last Modified Date
- 2021-06-14T18:36:28
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:L/Au:S/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- 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-2021-1539 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1539 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:11:35 | Added to TrackCVE | |||
| 2022-12-05 03:34:48 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-05 03:34:48 | 2021-06-04T17:15Z | 2021-06-04T17:15:09 | CVE Published Date | updated |
| 2022-12-05 03:34:48 | 2021-06-14T18:36:28 | CVE Modified Date | updated | |
| 2022-12-05 03:34:48 | Analyzed | Vulnerability Status | updated |