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CRITICAL severity

CVE-2020-13925 — kylin-server-base

CRITICAL

CVE-2020-13925 is a critical-severity (CVSS 9.8) OS Command Injection vulnerability in org.apache.kylin:kylin-server-base. 3 public exploit or proof-of-concept references are indexed, so weaponization risk is real. A fix is available for org.apache.kylin:kylin-server-base — see the affected versions and patch details below.

Command Injection in Kylin

Also known asGHSA-qwfw-gxx2-mmv2
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
3 known
Exploitation data as of Nov 7, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
20.0%probability of exploitation in next 30 days
Moderate Risk0.00%
Lower risk than most CVEs97th percentile — riskier than 97% of all scored CVEsHighest risk
0.41%33.6%66.8%100.0%84.7%20.0%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕org.apache.kylin:kylin-server-base

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

Similar to CVE-2020-1956, Kylin has one more restful API which concatenates the API inputs into OS commands and then executes them on the server; while the reported API misses necessary input validation, which causes the hackers to have the possibility to execute OS command remotely. Users of all previous versions after 2.3 should upgrade to 3.1.0.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.apache.kylin:kylin-server-baseall versions3.1.0org.apache.kylin:kylin-server-base:3.1.0

Affected Products

1 product · 1 configurations
Application
kylinapache
≥ 2.3.0 && < 3.1.0
range
Exploits & PoCs
3

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Similar to CVE-2020-1956, Kylin has one more restful API which concatena…

lists.apache.orgNVDJul 2020

Report on github.com

github.comGithubJul 2020

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.kylin:kylin-server-base, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.apache.kylin:kylin-server-base to 3.1.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-13925 is resolved across your whole dependency graph.

  3. Workarounds

    Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

Similar to CVE-2020-1956, Kylin has one more restful API which concatenates the API inputs into OS commands and then executes them on the server; while the reported API misses necessary input validation, which causes the hackers to have the possibility to execute OS command remotely. Users of all previous versions after 2.3 should upgrade to 3.1.0.
O3 Security · Impact-Aware SCA

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CVE-2020-13925: kylin-server — Fixed in 3.1.0