CVE-2021-27899

Published Apr 6, 2021

Last updated 4 years ago

CVSS high 7.4

Overview

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.
Source: cve@mitre.org
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.4
Impact score: 5.2
Exploitability score: 2.2
Vector string: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: HIGH

CVSS 2.0

Type: Primary
Base score: 5.8
Impact score: 4.9
Exploitability score: 8.6
Vector string: AV:N/AC:M/Au:N/C:P/I:P/A:N

Weaknesses

nvd@nist.gov: CWE-295

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:linux:*:*",
            "vulnerable": true,
            "matchCriteriaId": "70F9F339-8379-49A8-9064-8C450A711296",
            "versionEndExcluding": "7.9.3",
            "versionStartIncluding": "7.9.0"
          },
          {
            "criteria": "cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:linux:*:*",
            "vulnerable": true,
            "matchCriteriaId": "BACB225E-FD08-4293-9D17-BC8127470D08",
            "versionEndExcluding": "7.10.3",
            "versionStartIncluding": "7.10.0"
          },
          {
            "criteria": "cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:linux:*:*",
            "vulnerable": true,
            "matchCriteriaId": "81FDC89F-6AC6-4443-BB93-39F895616CD4",
            "versionEndExcluding": "7.11.1",
            "versionStartIncluding": "7.11.0"
          }
        ],
        "operator": "OR"
      }
    ]
  },
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:macos:*:*",
            "vulnerable": true,
            "matchCriteriaId": "BC1EC9C0-B91B-423D-82CA-3F70C5C39736",
            "versionEndExcluding": "7.9.3",
            "versionStartIncluding": "7.9.0"
          },
          {
            "criteria": "cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:macos:*:*",
            "vulnerable": true,
            "matchCriteriaId": "B1B2503C-1C61-4230-9454-2E1B9AE83E93",
            "versionEndExcluding": "7.10.3",
            "versionStartIncluding": "7.10.0"
          },
          {
            "criteria": "cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:macos:*:*",
            "vulnerable": true,
            "matchCriteriaId": "E235C6A9-A97F-4775-9A7B-E8EC11F20B16",
            "versionEndExcluding": "7.11.1",
            "versionStartIncluding": "7.11.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

Overview

Risk scores

CVSS 3.1

CVSS 2.0

Weaknesses

Social media

Configurations

References