CVE-2021-27899
CVSS V2 Medium 5.8
CVSS V3 High 7.4
Description
The Proofpoint Insider Threat Management Agents (formerly ObserveIT Agent) for MacOS and Linux perform improper validation of the ITM Server's certificate, which enables a remote attacker to intercept and alter these communications using a man-in-the-middle attack. All versions before 7.11.1 are affected. Agents for Windows and Cloud are not affected.
Overview
- CVE ID
- CVE-2021-27899
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-04-06T21:15:14
- Last Modified Date
- 2021-04-12T16:26:53
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:linux:*:* | 1 | OR | 7.9.0 | 7.9.3 |
| cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:linux:*:* | 1 | OR | 7.10.0 | 7.10.3 |
| cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:linux:*:* | 1 | OR | 7.11.0 | 7.11.1 |
| cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:macos:*:* | 1 | OR | 7.9.0 | 7.9.3 |
| cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:macos:*:* | 1 | OR | 7.10.0 | 7.10.3 |
| cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:macos:*:* | 1 | OR | 7.11.0 | 7.11.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 7.4
- Base Severity
- HIGH
- Exploitability Score
- 2.2
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0004 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-27899 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27899 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:16:06 | Added to TrackCVE | |||
| 2022-12-06 01:17:34 | 2021-04-06T21:15Z | 2021-04-06T21:15:14 | CVE Published Date | updated |
| 2022-12-06 01:17:34 | 2021-04-12T16:26:53 | CVE Modified Date | updated | |
| 2022-12-06 01:17:34 | Analyzed | Vulnerability Status | updated |