CVE-2021-22550
CVSS V2 Medium 4.6
CVSS V3 High 7.8
Description
An attacker can modify the pointers in enclave memory to overwrite arbitrary memory addresses within the secure enclave. It is recommended to update past 0.6.3 or git commit https://github.com/google/asylo/commit/a47ef55db2337d29de19c50cd29b0deb2871d31c
Overview
- CVE ID
- CVE-2021-22550
- Assigner
- cve-coordination@google.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-06-08T14:15:07
- Last Modified Date
- 2021-06-22T15:37:30
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:* | 1 | OR | 0.6.3 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.6
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/google/asylo/commit/a47ef55db2337d29de19c50cd29b0deb2871d31c | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-22550 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22550 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:10:26 | Added to TrackCVE | |||
| 2022-12-05 03:43:07 | security@google.com | cve-coordination@google.com | CVE Assigner | updated |
| 2022-12-05 03:43:07 | 2021-06-08T14:15Z | 2021-06-08T14:15:07 | CVE Published Date | updated |
| 2022-12-05 03:43:07 | 2021-06-22T15:37:30 | CVE Modified Date | updated | |
| 2022-12-05 03:43:08 | Analyzed | Vulnerability Status | updated |