The aescrypt gem 1.0.0 for Ruby does not randomize the CBC IV for use with the…
Priority LOW 35CWE-330Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.
Summary
The aescrypt gem 1.0.0 for Ruby does not randomize the CBC IV for use with the AESCrypt.encrypt and AESCrypt.decrypt functions, which allows attackers to defeat cryptographic protection mechanisms via a chosen plaintext attack.
Why it matters now
EPSS 0.01148 66th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | aescrypt (RubyGems) | up to 1.0.0 | — | No fix listed | GHSA-4c4w-3q45-hp9j |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- aescrypt (RubyGems) Vendor— Affected up to 1.0.0 Fixed in — No fix listed GHSA-4c4w-3q45-hp9j
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:aescrypt_project:aescrypt:*:*:*:*:*:ruby:*:* | up to 1.0.0 | Vulnerable | Aescrypt Project |
- cpe:2.3:a:aescrypt_project:aescrypt:*:*:*:*:*:ruby:*:* Versions up to 1.0.0 Vulnerable ·Aescrypt Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2013-7463
- 2026-10-03 Alias added: GHSA-4c4w-3q45-hp9j
References
Advisory 2
Sources
- CVE-2013-7463 · CVE Program
- CVE-2013-7463 · NVD
- FIRST EPSS
- GHSA-4c4w-3q45-hp9j · GitHub Advisory Database · CC BY 4.0
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