01 Record
CVE-2020-28270
Prototype pollution vulnerability in 'object-hierarchy-access' versions 0.2.0 through 0.32.0 allows attacker to cause a denial of service and may lead to remote code execution.
UnratedPUBLISHEDCNA: Mend
CNA base scoreUnratedNo CNA CVSS vector
02 Description
Prototype pollution vulnerability in 'object-hierarchy-access' versions 0.2.0 through 0.32.0 allows attacker to cause a denial of service and may lead to remote code execution.
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
- 3.84% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 89.7% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/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
- 2020-11-12 17:16Z5 YR AGO
- Last updated
- 2024-08-04 16:33Z2 YR AGO
- Reserved
- 2020-11-06
- Assigning CNA
- Mend
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')Variant
- Data version
- 5.1
- Document digest
- 80d48fed7e91dbd0a6ccd81977e5dd67212b61d151621eea4933c029c9647658
05 Affected products
VendorProductVersionsPlatforms
n/aobject-hierarchy-access0.32.0, 0.31.0, 0.30.0, 0.29.1, 0.29.0, 0.28.0, 0.27.1, 0.27.0, 0.26.0, 0.25.2, 0.25.1, 0.25.0, 0.24.0, 0.23.0, 0.22.0, 0.21.0, 0.20.2, 0.20.1, 0.20.0, 0.19.0, 0.18.0, 0.17.0, 0.16.0, 0.15.0, 0.14.1, 0.13.1, 0.12.0, 0.11.0, 0.10.0, 0.9.0, 0.8.0, 0.7.3, 0.7.2, 0.6.0, 0.5.2, 0.5.1, 0.4.3, 0.4.2, 0.4.1, 0.4.0, 0.2.0—