Node Bcrypt Js
CVE-2020-7689
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Lifecycle Timeline
1Blast Radius
ecosystem impact- 39 npm packages depend on bcrypt (25 direct, 14 indirect)
Ecosystem-wide dependent count for version 5.0.0.
DescriptionNVD
Data is truncated wrong when its length is greater than 255 bytes.
AnalysisAI
Data is truncated wrong when its length is greater than 255 bytes. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Integer Overflow vulnerability could allow attackers to cause unexpected behavior through arithmetic overflow.
Technical ContextAI
This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. Data is truncated wrong when its length is greater than 255 bytes. Affected products include: Node.Bcrypt.Js Project Node.Bcrypt.Js.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.
Same weakness CWE-190 – Integer Overflow or Wraparound
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External POC / Exploit Code
Leaving vuln.today