Vulnerability Monitor

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CVE-2021-21046


Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an memory corruption vulnerability. An unauthenticated attacker could leverage this vulnerability to cause an application denial-of-service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.


Security Impact Summary

This vulnerability carries a LOW severity rating with a CVSS v3.1 score of 3.3, requiring local system access to exploit with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts and limited availability for affected systems. Impacting 6 products from adobe, from adobe, from adobe and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2021-02-11T20:15:15.797

Last Modified

2024-11-21T05:47:27.830

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 3.3 (LOW)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-787
  • Type: Secondary
    CWE-787

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application adobe acrobat ≤ 17.011.30188 Yes
Application adobe acrobat ≤ 20.001.30018 Yes
Application adobe acrobat_dc ≤ 20.013.20074 Yes
Application adobe acrobat_reader ≤ 17.011.30188 Yes
Application adobe acrobat_reader ≤ 20.001.300183 Yes
Application adobe acrobat_reader_dc ≤ 20.013.20074 Yes
Operating System apple macos - No
Operating System microsoft windows - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For adobe's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.