CVE-2020-35733
HIGHCVSS 7.5/10EPSS 1.15%
Last modified
CVE-2020-35733 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in Erlang/OTP before 23.2.2. The ssl application 10.2 accepts and trusts an invalid X.509 certificate chain to a trusted root Certification Authority.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.
Description
An issue was discovered in Erlang/OTP before 23.2.2. The ssl application 10.2 accepts and trusts an invalid X.509 certificate chain to a trusted root Certification Authority.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Erlang | Erlang\/Otp | < 23.2.2 |
| Fedoraproject | Fedora | 33 |
References
- https://erlang.org/pipermail/erlang-questions/2021-January/100357.htmlMailing List, Release Notes, Vendor Advisory
- https://github.com/erlang/otp/releasesThird Party Advisory
- https://www.erlang.org/downloadsProduct, Vendor Advisory
- https://www.erlang.org/newsRelease Notes, Vendor Advisory
- https://erlang.org/pipermail/erlang-questions/2021-January/100357.htmlMailing List, Release Notes, Vendor Advisory
- https://github.com/erlang/otp/releasesThird Party Advisory
- https://www.erlang.org/downloadsProduct, Vendor Advisory
- https://www.erlang.org/newsRelease Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-35733?
An issue was discovered in Erlang/OTP before 23.2.2. The ssl application 10.2 accepts and trusts an invalid X.509 certificate chain to a trusted root Certification Authority.
How severe is CVE-2020-35733?
CVE-2020-35733 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.
How do I fix CVE-2020-35733?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-35733?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST