CVE-2020-8158
CVE-2020-8158 is a critical-severity vulnerability in Typeorm with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1321.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1321
- Affected product: Typeorm
- Published:
- Last modified:
Description
Prototype pollution vulnerability in the TypeORM package < 0.2.25 may allow attackers to add or modify Object properties leading to further denial of service or SQL injection attacks.
Frequently asked questions
- What is CVE-2020-8158?
- Prototype pollution vulnerability in the TypeORM package < 0.2.25 may allow attackers to add or modify Object properties leading to further denial of service or SQL injection attacks.
- How severe is CVE-2020-8158?
- CVE-2020-8158 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-8158 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8158?
- CVE-2020-8158 affects Typeorm. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-8158?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-8158 published?
- CVE-2020-8158 was published on 2020-09-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:typeorm:typeorm:*:*:*:*:*:node.js:*:*
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