CVE-2020-13802
CVE-2020-13802 is a critical-severity vulnerability in Erlang Rebar3 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-78.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- EPSS exploit prediction: 7% (93rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Erlang Rebar3
- Published:
- Last modified:
Description
Rebar3 versions 3.0.0-beta.3 to 3.13.2 are vulnerable to OS command injection via URL parameter of dependency specification.
Frequently asked questions
- What is CVE-2020-13802?
- Rebar3 versions 3.0.0-beta.3 to 3.13.2 are vulnerable to OS command injection via URL parameter of dependency specification.
- How severe is CVE-2020-13802?
- CVE-2020-13802 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-2020-13802 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-13802?
- CVE-2020-13802 primarily affects Erlang Rebar3. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-13802?
- 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-2020-13802 published?
- CVE-2020-13802 was published on 2020-09-02 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/159027/Rebar3-3.13.2-Command-Injection.html
- https://github.com/vulnbe/poc-rebar3.git
- https://vuln.be/post/rebar3-command-injection/
Affected products (3)
- cpe:2.3:a:erlang:rebar3:*:*:*:*:*:*:*:*
- cpe:2.3:a:erlang:rebar3:3.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:erlang:rebar3:3.0.0:beta4:*:*:*:*:*:*
More vulnerabilities in Erlang Rebar3
- CVE-2019-1000014 — High (CVSS 8.8): Erlang/OTP Rebar3 version 3.7.0 through 3.7.5 contains a Signing oracle vulnerability in Package registry verification…
- CVE-2026-21619 — High (CVSS 7.5): Uncontrolled Resource Consumption, Deserialization of Untrusted Data vulnerability in hexpm hex_core (hex_api modules),…
All CVEs affecting Erlang Rebar3 →
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