What is the CVSS score of CVE-2021-20572?

CVE-2021-20572 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.5%.

Is there a patch available for CVE-2021-20572?

Yes, a patch is available for CVE-2021-20572. Update the affected software to the latest version immediately.

Security Identity Manager Adapter CVE-2021-20572

MEDIUM

Out-of-bounds Write (CWE-787)

2021-06-28 psirt@us.ibm.com

Buffer Overflow IBM Memory Corruption Security Identity Manager Adapter

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jun 28, 2021 - 16:15 nvd

MEDIUM 6.5

DescriptionNVD

IBM Security Identity Manager Adapters 6.0 and 7.0 are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A remote authenticated attacker could overflow the and cause the server to crash. IBM X-Force ID: 199247.

AnalysisAI

IBM Security Identity Manager Adapters 6.0 and 7.0 are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. IBM Security Identity Manager Adapters 6.0 and 7.0 are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A remote authenticated attacker could overflow the and cause the server to crash. IBM X-Force ID: 199247. Affected products include: Ibm Security Identity Manager Adapter.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).