CVE-2020-13802

Exp

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

Published: 2020-09-02 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-13802 is rated High Exploit Risk (77.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.61%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2020-13802

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2020-13802

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 22.27% 1.61% -20.65%
2 2025-11-18 1.61% 22.27% +20.65%
3 2025-08-04 — 1.61% —

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-13802

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2020-13802

OS Trackers for CVE-2020-13802

vendor priority summary link
debian unimportant CVE-2020-13802 unimportant priority: Debian including 1 source packages (rebar3), 4 status rows across 4 suites (bookworm, forky, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2020-13802
gentoo normal CVE-2020-13802: 1 GLSA(s) (202405-30), 1 atom(s) (dev-util/rebar-bin); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-13802
ubuntu medium CVE-2020-13802 medium priority: Ubuntu including 1 source packages (rebar), 16 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 8, needs-triage 7, DNE 1. https://ubuntu.com/security/CVE-2020-13802

Affected software / configurations for CVE-2020-13802

Vendor Product Version Raw CPE
erlang rebar3 >= 3.1.0, <= 3.13.2 cpe:2.3:a:erlang:rebar3:*:*:*:*:*:*:*:*
erlang rebar3 3.0.0 cpe:2.3:a:erlang:rebar3:3.0.0:beta3:*:*:*:*:*:*
erlang rebar3 3.0.0 cpe:2.3:a:erlang:rebar3:3.0.0:beta4:*:*:*:*:*:*

References for CVE-2020-13802

cvelogic Threat Intelligence