VDB
CVE-2020-8165
CVE-2020-8165
PUBLISHED
CVSS 9.800000190734863 CRITICAL
A deserialization of untrusted data vulnernerability exists in rails < 5.2.4.3, rails < 6.0.3.1 that can allow an attacker to unmarshal user-provided objects in MemCacheStore and RedisCacheStore potentially resulting in an RCE.
EPSS 45.73% · 98.7th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
45.73%
98.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:20.04:LTS | rails | 0, 2:5.2.2.1+dfsg-1ubuntu1, 2:5.2.3+dfsg-3ubuntu0.1~esm1 |
| Ubuntu:Pro:18.04:LTS | rails | *, 2:4.2.9-2, 2:4.2.9-4 |
| Ubuntu:Pro:16.04:LTS | rails | *, *, 0 |
Timeline
- CVE Published
- May 26, 2020 PoC Published
- Apr 14, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- Mar 19, 2023 EPSS Score
- May 10, 2024 EPSS Score
- Dec 17, 2024 EPSS Score
- Mar 17, 2025 EPSS Score
- May 1, 2025 EPSS Score
- May 4, 2025 EPSS Score
- Jun 1, 2025 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-8165 third-party-advisory
- https://weblog.rubyonrails.org/2020/5/18/Rails-5-2-4-3-and-6-0-3-1-have-been-released third-party-advisory
- https://github.com/rails/rails/commit/f7e077f85e61fc0b7381963eda0ceb0e457546b5 third-party-advisory
- https://github.com/rails/rails/commit/467e3399c9007996c03ffe3212689d48dd25ae99 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-8165 third-party-advisory