CVE-2020-35513
CVSS V2 Medium 4
CVSS V3 Medium 4.9
Description
A flaw incorrect umask during file or directory modification in the Linux kernel NFS (network file system) functionality was found in the way user create and delete object using NFSv4.2 or newer if both simultaneously accessing the NFS by the other process that is not using new NFSv4.2. A user with access to the NFS could use this flaw to starve the resources causing denial of service.
Overview
- CVE ID
- CVE-2020-35513
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-01-26T18:15:54
- Last Modified Date
- 2021-02-02T19:39:59
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:4.2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 4.9
- Base Severity
- MEDIUM
- Exploitability Score
- 1.2
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://patchwork.kernel.org/project/linux-nfs/patch/20180403203916.GH20297@fieldses.org/ | Mailing List Patch Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1911309 | Issue Tracking Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-35513 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35513 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:24:52 | Added to TrackCVE | |||
| 2022-12-05 20:50:28 | 2021-01-26T18:15Z | 2021-01-26T18:15:54 | CVE Published Date | updated |
| 2022-12-05 20:50:28 | 2021-02-02T19:39:59 | CVE Modified Date | updated | |
| 2022-12-05 20:50:28 | Analyzed | Vulnerability Status | updated |