Cisco NX-OS Software Unauthorized Filesystem Access Vulnerability
Published Mar 8, 2019
7.8
HIGHCVSS 3.1
EPSS 0.40%
Description
A vulnerability in the filesystem permissions of Cisco NX-OS Software could allow an authenticated, local attacker to gain read and write access to a critical configuration file. The vulnerability is due to a failure to impose strict filesystem permissions on the targeted device. An attacker could exploit this vulnerability by accessing and modifying restricted files. A successful exploit could allow an attacker to use the content of this configuration file to bypass authentication and log in as any user of the device. MDS 9000 Series Multilayer Switches are affected in versions prior to 6.2(25), 8.1(1b), and 8.3(1). Nexus 3000 Series Switches are affected in versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 3500 Platform Switches are affected in versions prior to 6.0(2)A8(10) and 7.0(3)I7(4). Nexus 3600 Platform Switches are affected in versions prior to 7.0(3)F3(5). Nexus 2000, 5500, 5600, and 6000 Series Switches are affected in versions prior to 7.1(5)N1(1b) and 7.3(3)N1(1). Nexus 7000 and 7700 Series Switches are affected in versions prior to 6.2(22), 7.3(3)D1(1), and 8.2(3). Nexus 9000 Series Switches-Standalone are affected in versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected in versions prior to 7.0(3)F3(5).
Affected products
-
- Version unspecifiedStatusaffectedConstraints<6.2(25)
- Version unspecifiedStatusaffectedConstraints<8.1(1b)
- Version unspecifiedStatusaffectedConstraints<8.3(1)
- Version
-
- Version unspecifiedStatusaffectedConstraints<7.1(5)N1(1b)
- Version unspecifiedStatusaffectedConstraints<7.3(3)N1(1)
- Version
-
- Version unspecifiedStatusaffectedConstraints<7.0(3)I4(9)
- Version unspecifiedStatusaffectedConstraints<7.0(3)I7(4)
- Version
-
- Version unspecifiedStatusaffectedConstraints<6.0(2)A8(10)
- Version unspecifiedStatusaffectedConstraints<7.0(3)I7(4)
- Version
-
- Version unspecifiedStatusaffectedConstraints<7.0(3)F3(5)
- Version
-
- Version unspecifiedStatusaffectedConstraints<6.2(22)
- Version unspecifiedStatusaffectedConstraints<7.3(3)D1(1)
- Version unspecifiedStatusaffectedConstraints<8.2(3)
- Version
-
- Version unspecifiedStatusaffectedConstraints<7.0(3)I4(9)
- Version unspecifiedStatusaffectedConstraints<7.0(3)I7(4)
- Version
-
- Version unspecifiedStatusaffectedConstraints<7.0(3)F3(5)
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cisco | MDS 9000 Series Multilayer Switches | n/a |
| ||||||||||||
| Cisco | Nexus 2000, 5500, 5600, and 6000 Series Switches | n/a |
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| Cisco | Nexus 3000 Series Switches | n/a |
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| Cisco | Nexus 3500 Platform Switches | n/a |
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| Cisco | Nexus 3600 Platform Switches | n/a |
| ||||||||||||
| Cisco | Nexus 7000 and 7700 Series Switches | n/a |
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| Cisco | Nexus 9000 Series Switches-Standalone | n/a |
| ||||||||||||
| Cisco | Nexus 9500 R-Series Line Cards and Fabric Modules | n/a |
|
Configuration 1
Configuration 2
Running on/with
- n/a
Configuration 3
Running on/with
- n/a
Configuration 4
Running on/with
- n/a
Configuration 5
Running on/with
- n/a
Configuration 6
Running on/with
- n/a
Configuration 7
Configuration 9
Running on/with
- n/a
Configuration 10
Running on/with
- n/a
- n/a
Configuration 11
Running on/with
- n/a
- n/a
Configuration 12
Running on/with
- n/a
- n/a
Configuration 13
Running on/with
- n/a
Configuration 14
Running on/with
- n/a
Configuration 15
Running on/with
- n/a
- n/a
- n/a
- n/a
Configuration 16
Running on/with
- n/a
- n/a
- n/a
- n/a
Configuration 17
Running on/with
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (2)
- http://www.securityfocus.com/bid/107404 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-file-access vendor-advisoryx_refsource_CISCOPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/107404 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-file-access | vendor-advisoryx_refsource_CISCOPatchVendor Advisory |
Change history (0)
No recorded changes yet.