CVE-2020-14967
CRITICAL
9.8
CVSS Score
Published: June 22, 2020 at 11:19 AM UTC
Updated: June 22, 2026 at 03:18 AM UTC
2 products affected across 2 vendorsJsrsasignMax Data
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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%
Description
An issue was discovered in the jsrsasign package before 8.0.18 for Node.js. Its RSA PKCS1 v1.5 decryption implementation does not detect ciphertext modification by prepending '\0' bytes to ciphertexts (it decrypts modified ciphertexts without error). An attacker might prepend these bytes with the goal of triggering memory corruption issues.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (6)
x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/kjur/jsrsasign/issues/439x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/kjur/jsrsasign/releases/tag/8.0.17x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/kjur/jsrsasign/releases/tag/8.0.18x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://kjur.github.io/jsrsasign/x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20200724-0001/x_refsource_MISCProductThird Party Advisory
Source: [email protected]
https://www.npmjs.com/package/jsrsasignCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-119
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