# Erlang vulnerabilities > Erlang has 15 published vulnerabilities across 6 products in our catalogue. 1 of them is on the list of flaws known to be exploited, so criminals are using them now. The most affected product is Erlang/otp, with 12. If you run Erlang software, patch the exploited flaws first. Canonical page: https://www.precursorintelligence.com/vendors/erlang ## At a glance - **Published vulnerabilities:** 15 - **Known to be exploited:** 1 - **Products:** 6 - **Versions:** 565 - **Most recently added to the known-exploited list:** [CVE-2025-32433](https://www.precursorintelligence.com/what-is/cve-2025-32433), 9 June 2025. We keep watching the list. ## Which Erlang products have the most vulnerabilities? - Erlang/otp: 12 published vulnerabilities, 470 versions - [Rebar3](https://www.precursorintelligence.com/product/erlang/rebar3): 2 published vulnerabilities, 65 versions - [Crypto](https://www.precursorintelligence.com/product/erlang/crypto): 1 published vulnerability, 27 versions - [Erlang](https://www.precursorintelligence.com/product/erlang/erlang): 1 published vulnerability, 1 version - Erlang\\/otp: 0 published vulnerabilities, 0 versions - [OTP](https://www.precursorintelligence.com/product/erlang/otp): 0 published vulnerabilities, 2 versions Each product page lists its own known-exploited flaws. ## Which Erlang vulnerabilities are being exploited? 1 flaw is on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2025-32433](https://www.precursorintelligence.com/what-is/cve-2025-32433): Erlang Erlang/OTP SSH Server Missing Authentication for Critical Function Vulnerability. Critical, CVSS 10.0, chance of use in 30 days 99%, known exploited since 9 June 2025. ## Which Erlang flaws are most likely to be used? Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days): - [CVE-2025-32433](https://www.precursorintelligence.com/what-is/cve-2025-32433): 99%, Critical (CVSS 10.0), known exploited - [CVE-2023-48795](https://www.precursorintelligence.com/what-is/cve-2023-48795): 94%, Medium (CVSS 5.9) - [CVE-2017-1000385](https://www.precursorintelligence.com/what-is/cve-2017-1000385): 22%, Medium (CVSS 5.9) - [CVE-2020-13802](https://www.precursorintelligence.com/what-is/cve-2020-13802): 6.8%, Critical (CVSS 9.8) - [CVE-2020-25623](https://www.precursorintelligence.com/what-is/cve-2020-25623): 3.2%, High (CVSS 7.5) - [CVE-2011-0766](https://www.precursorintelligence.com/what-is/cve-2011-0766): 3.1%, High (CVSS 7.8) - [CVE-2014-1693](https://www.precursorintelligence.com/what-is/cve-2014-1693): 2.2%, High (CVSS 7.5) - [CVE-2015-2774](https://www.precursorintelligence.com/what-is/cve-2015-2774): 1.9%, Medium (CVSS 5.9) - [CVE-2019-1000014](https://www.precursorintelligence.com/what-is/cve-2019-1000014): 1.8%, High (CVSS 8.8) - [CVE-2022-37026](https://www.precursorintelligence.com/what-is/cve-2022-37026): 1.5%, Critical (CVSS 9.8) ## All Erlang products we track 5 products with at least one tracked version, most vulnerabilities first: - Erlang/otp: 12 vulnerabilities, 470 versions - [Rebar3](https://www.precursorintelligence.com/product/erlang/rebar3): 2 vulnerabilities, 65 versions - [Crypto](https://www.precursorintelligence.com/product/erlang/crypto): 1 vulnerability, 27 versions - [Erlang](https://www.precursorintelligence.com/product/erlang/erlang): 1 vulnerability, 1 version - [OTP](https://www.precursorintelligence.com/product/erlang/otp): 0 vulnerabilities, 2 versions ## Questions ### How many vulnerabilities does Erlang have? Our catalogue lists 15 published vulnerabilities across 6 products and 565 versions from Erlang. The most recent Erlang flaw added to the known-exploited list is CVE-2025-32433, on 9 June 2025. ### Which Erlang vulnerabilities are being exploited? 1 Erlang vulnerability is on the list of flaws known to be exploited. The most recently added is CVE-2025-32433. The full list is on this page. ### Which Erlang product has the most vulnerabilities? Erlang/otp, with 12 published vulnerabilities. Its own page lists the ones known to be exploited. ### How do I get alerts for new Erlang vulnerabilities? Create a Precursor Intelligence account and track the Erlang products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook. ## Running Erlang? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact