CVE-2020-1956

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.974 · 100 %ileexploit · PoCEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 1 exploit · PoC

Likely / severe?

97.4% (100th) EPSS

CVSS 9 · high

Is it mine?

14 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-03-25remediate by 2022-04-15

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Apache Kylin OS Command Injection Vulnerability

Apache Kylin 2.3.0, and releases up to 2.6.5 and 3.0.1 has some restful apis which will concatenate os command with the user input string, a user is likely to be able to execute any os command without any protection or validation.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.8–9.8

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8 · impact 10

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · OSV

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-78USprimaryCWE-78USCWE-78US

exploits (1)

Public proof-of-concept and weaponised exploit code.

b510/CVE-2020-1956CVE-2020-1956PoC · poc_in_github

affected products (14)

Products and version ranges known to be affected.

Apache Kylin≤ ≤2.6.5enisa_euvdEU
Apache Kylin≤ 2.3.0enisa_euvdEU
Apache Kylin≤ ≤3.0.1enisa_euvdEU
Apache Software Foundation Kylin≤ 3.0.2fstec_bduRU
Apache Software Foundation Kylin≤ 2.6.6fstec_bduRU
apache kylin2.3.0 → 2.3.2nvdUScpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*
apache kylin= 2.4.0nvdUScpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*
apache kylin= 2.4.1nvdUScpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*
apache kylin2.5.0 → 2.5.2nvdUScpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*
apache kylin2.6.0 → 2.6.5nvdUScpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*
apache kylin= 3.0.0nvdUScpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*
apache kylin= 3.0.1nvdUScpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*
Maven org.apache.kylin:kylin-core-common< 2.6.6osvUSpkg:maven/org.apache.kylin/kylin-core-common
Maven org.apache.kylin:kylin-core-common3.0.0 → 3.0.2osvUSpkg:maven/org.apache.kylin/kylin-core-common

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-gprm-xqrc-c2j3Command Injection in Kylin2020-07-27ghsa · osvUS
Kylin has some restful apis which will concatenate os command with the user input string, a user is likely to be able to execute any os command without any protection or validation.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2020-05-22modified 2026-06-17

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references (27)

External citations — patches, advisories, analysis.

scry

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