Cve Analysis

CVE Analysis — CVE analysis and dependency vulnerability guide

CVE vulnerability efficiency-basedas detection, analysis, priority-izelower methodology.

CVSS v3.1 count

Base Score

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H → 9.8 (Critical)

AV (Attack Vector):    N(Network) > A(Adjacent) > L(Local) > P(Physical)
AC (Attack Complexity): L(Low) > H(High)
PR (Privileges Required): N(None) > L(Low) > H(High)
UI (User Interaction):  N(None) > R(Required)
S  (Scope):             C(Changed) > U(Unchanged)
C  (Confidentiality):   H(High) > L(Low) > N(None)
I  (Integrity):         H(High) > L(Low) > N(None)
A  (Availability):      H(High) > L(Low) > N(None)

priority decision

CVSSonlyas  —   required:

priority = CVSS Base ×   × for possible

 :
├──  : ×1.5 (external  possible)
├── internal beforefor: ×0.5 (VPN )
├── important data processing: ×1.3 (PII, )
└── items  beforefor: ×0.3

for possible:
├── PoC items: ×2.0 (immediate )
├──  attack: ×3.0 (first)
├── this-based possible: ×0.5
└── corresponding code as for: ×0.1

dependency also

Node.js

# npm within
npm audit --json
npm audit fix

# Snyk
snyk test --json
snyk monitor  #  monitoring

# result 
{
  "vulnerabilities": {
    "info": 0, "low": 2, "moderate": 5,
    "high": 3, "critical": 1
  }
}

Python

# pip-audit
pip-audit --format=json

# Safety
safety check --json

# Bandit (SAST)
bandit -r src/ -f json

Java/Kotlin

# OWASP Dependency-Check
mvn org.owasp:dependency-check-maven:check

# Gradle
./gradlew dependencyCheckAnalyze

container

# Trivy
trivy image myapp:latest --severity CRITICAL,HIGH
trivy fs --security-checks vuln,config .

# Grype
grype myapp:latest

vulnerability classification framework

CWE categoryper

vulnerability ofdecision

CVE 
├── CVSS ≥ 9.0 (Critical)
│   ├──  possible → immediate  (24h within)
│   └──  impossible → WAF rule + temporary 
├── CVSS 7.0~8.9 (High)
│   ├──   → 1week within 
│   └── internal beforefor → 2week within 
├── CVSS 4.0~6.9 (Medium)
│   └──  in included
└── CVSS < 4.0 (Low)
    └── login etc.

detection

pattern

# AWS
AKIA[0-9A-Z]{16}
# GitHub Token
ghp_[a-zA-Z0-9]{36}
# Generic API Key
(?i)(api[_-]?key|apikey|secret)['":\s]*[=:]\s*['"]?[a-zA-Z0-9/+]{20,}
# JWT
eyJ[a-zA-Z0-9_-]*\.eyJ[a-zA-Z0-9_-]*\.[a-zA-Z0-9_-]*
# Private Key
-----BEGIN (RSA |EC |DSA )?PRIVATE KEY-----

also

# gitleaks (Git  included)
gitleaks detect --source=. --report-format=json

# trufflehog
trufflehog git file://. --json

# detect-secrets
detect-secrets scan --all-files

report template

# CVE analysis report

## 
| severity | casescount | immediate  |
|--------|------|----------|
| Critical | N | N |
| High | N | N |
| Medium | N | |
| Low | N | |

## Critical/High detailed
| CVE ID | CVSS | package | impact |  |
|--------|------|--------|------|------|

##  detection result
| type | day |  | upper |

## matter
1. [immediate] CVE-XXXX-XXXXX 
2. [1week] dependency Nitems thethis
3. [operations] CIin automatic  addition