01 Record
CVE-2021-22158
The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) is vulnerable to XML external entity (XXE) injection in the Web Console. The vulnerability requires admin user privileges
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) is vulnerable to XML external entity (XXE) injection in the Web Console. The vulnerability requires admin user privileges
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.61% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 49.1% of scored records. A rank, not a probability.
- NVD base score
- 7.2 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-04-06 20:52Z5 YR AGO
- Last updated
- 2024-08-03 18:37Z2 YR AGO
- Reserved
- 2021-01-04
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-611Improper Restriction of XML External Entity ReferenceBase
- Data version
- 5.1
- Document digest
- 15d43d3de670d7b0a365598c7e370c548cfbd96c0014b8beb2a3cfe1c4ac1b4d
05 Affected products
VendorProductVersionsPlatforms