CVE-2021-34762
CVSS V2 Medium 5.5
CVSS V3 High 8.1
Description
A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to perform a directory traversal attack on an affected device. The attacker would require valid device credentials. The vulnerability is due to insufficient input validation of the HTTPS URL by the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTPS request that contains directory traversal character sequences to an affected device. A successful exploit could allow the attacker to read or write arbitrary files on the device.
Overview
- CVE ID
- CVE-2021-34762
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-10-27T19:15:08
- Last Modified Date
- 2021-11-03T19:55:56
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.2.3:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.4.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.5.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.6.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.6.2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.6.3:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.6.4:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:7.0.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:7.1.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | 1 | OR | 6.4.0.13 | |
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | 1 | OR | 6.5.0 | 6.6.5 |
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | 1 | OR | 6.7.0 | 6.7.0.3 |
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | 1 | OR | 7.0.0 | 7.0.1 |
| cpe:2.3:a:cisco:sourcefire_defense_center:6.2.3:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:sourcefire_defense_center:6.4.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:sourcefire_defense_center:6.5.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:sourcefire_defense_center:6.6.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:sourcefire_defense_center:6.6.2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:sourcefire_defense_center:6.6.3:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:sourcefire_defense_center:6.6.4:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:sourcefire_defense_center:7.0.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 4.9
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:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 8.1
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dir-traversal-95UyW5tk | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-34762 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34762 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:48:29 | Added to TrackCVE | |||
| 2022-12-05 13:21:25 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-05 13:21:25 | 2021-10-27T19:15Z | 2021-10-27T19:15:08 | CVE Published Date | updated |
| 2022-12-05 13:21:25 | 2021-11-03T19:55:56 | CVE Modified Date | updated | |
| 2022-12-05 13:21:25 | Analyzed | Vulnerability Status | updated |