01 Record
CVE-2021-21057
Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer
MediumPUBLISHEDCNA: adobe
CNA base score6.6 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
02 Description
Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer
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
- 1.13% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 65.8% of scored records. A rank, not a probability.
- NVD base score
- 6.6 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/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
- 2021-02-11 19:42Z5 YR AGO
- Last updated
- 2024-09-17 02:06Z2 YR AGO
- Reserved
- 2020-12-18
- Assigning CNA
- adobe
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.6)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- b289605273d92313d5085d392151134c4d8c2c45a1b002e4857cff9f1c15043d
05 Affected products
VendorProductVersionsPlatforms