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CVE-2020-13802

The rebar3 tool 3.0.0-beta.3 through 3.13.2 for Erlang allows remote code execution.

9.8 CriticalFix available

Rebar3 versions 3.0.0-beta.3 to 3.13.2 are vulnerable to OS command injection via URL parameter of dependency specification.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

6.75%Up 5.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

Rebar3 versions 3.0.0-beta.3 to 3.13.2 are vulnerable to OS command injection via URL parameter of dependency specification.

Record
CVE-2020-13802
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-78
Updated
2026-11-02
CVE List No score

Rebar3 versions 3.0.0-beta.3 to 3.13.2 are vulnerable to OS command injection via URL parameter of dependency specification.

Record
CVE-2020-13802
Updated
2026-11-02
EUVDEUVD-2020-6017 No score

Rebar3 versions 3.0.0-beta.3 to 3.13.2 are vulnerable to OS command injection via URL parameter of dependency specification.

Record
EUVD-2020-6017
Updated
2026-11-03
GitHub AdvisoriesGHSA-fj2j-8cg9-vrj8 No score

The rebar3 tool 3.0.0-beta.3 through 3.13.2 for Erlang allows remote code execution.

The rebar3 tool 3.0.0-beta.3 through 3.13.2 for Erlang allows remote code execution.

Record
GHSA-fj2j-8cg9-vrj8
Updated
2026-11-02
OSV 9.8

Rebar3 versions 3.0.0-beta.3 to 3.13.2 are vulnerable to OS command injection via URL parameter of dependency specification.

Record
CVE-2020-13802
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-13802 9.8

Rebar3 versions 3.0.0-beta.3 to 3.13.2 are vulnerable to OS command injection via URL parameter of dependency specification.

Record
UBUNTU-CVE-2020-13802
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2020-0470 No score

Updated erlang-rebar3 package fixes security vulnerability

Rebar3 versions 3.0.0-beta.3 to 3.13.2 are vulnerable to OS command injection via URL parameter of dependency specification (CVE-2020-13802).

Record
MGASA-2020-0470
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
erlang-rebar3
Mageia:7
 before 3.9.0-1.1.mga7
3.9.0-1.1.mga7
rebar
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.6.0-12.6.0-2
 None known
rebar
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.6.4-2
 None known
rebar
Ubuntu:20.04:LTS
 All versions, plus listed versions
2.6.4-2
 None known
rebar
Ubuntu:22.04:LTS
 All versions, plus listed versions
2.6.4-3
 None known
rebar
Ubuntu:24.04:LTS
 All versions, plus listed versions
2.6.4-3
 None known
rebar
Ubuntu:25.10
 All versions, plus listed versions
2.6.4-7
 None known
rebar
Ubuntu:26.10
 All versions, plus listed versions
2.6.4-7build12.6.4-10
 None known
rebar
Ubuntu:26.04:LTS
 All versions, plus listed versions
2.6.4-72.6.4-7build1
 None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-13802 is a critical vulnerability (CVSS 9.8) in Erlang Rebar3, published September 2, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.75%, the 94th percentile. Fixed in erlang-rebar3 3.9.0-1.1.mga7.

References

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