Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-1956

96
FAUCET Score

CVE-2020-1956 is a critical command injection vulnerability affecting Apache Kylin versions 2.3.0 through 2.6.5 and 3.0.1. Malicious actors can exploit vulnerable RESTful APIs to execute arbitrary operating system commands due to improper input validation. This flaw carries a high CVSS score of 8.8, indicating a severe impact on confidentiality, integrity, and availability, and is easily exploitable over the network with low privileges. The vulnerability is actively exploited in the wild, as confirmed by its inclusion in the CISA KEV catalog, and public exploit templates are available, though no Metasploit or ExploitDB modules exist.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.3.0, <= 2.3.2CPE matchmatch criteria
cpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*
>= 2.5.0, <= 2.5.2CPE matchmatch criteria
cpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*
>= 2.6.0, <= 2.6.5CPE matchmatch criteria
cpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*
2.4.0CPE matchmatch criteria
cpe:2.3:a:apache:kylin:2.4.0:*:*:*:*:*:*:*
2.4.1CPE matchmatch criteria
cpe:2.3:a:apache:kylin:2.4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
97.34%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Mar 25, 2022
Nuclei: CVE-2020-1956 · May 11, 2023
This CVE's current EPSS score of 0.9734 is in the 100th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.apache.kylin:kylin-core-commonFixed in: 2.6.6
mavenpatch availablevia ghsa
Product: org.apache.kylin:kylin-core-commonFixed in: 3.0.2

Vendor Advisories (1)

mavenGHSA-gprm-xqrc-c2j3high

Command Injection in Kylin

Jul 27, 2020

References

cisa.gov / known-exploited-vulnerabilities-catalog
Third Party AdvisoryUS Government Resource
community.sonarsource.com / t/apache-kylin-3-0-1-command-injection-vulnerability/25706
ExploitThird Party Advisory
lists.apache.org / thread.html/r021baf9d8d4ae41e8c8332c167c4fa96c91b5086563d9be55d2d7acf%40%3Ccommits.kylin.apache.org%3E
Mailing ListPatch
lists.apache.org / thread.html/r1332ef34cf8e2c0589cf44ad269fb1fb4c06addec6297f0320f5111d%40%3Cuser.kylin.apache.org%3E
Mailing ListMitigationVendor Advisory
lists.apache.org / thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cannounce.apache.org%3E
Mailing List
lists.apache.org / thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cdev.kylin.apache.org%3E
Mailing List
lists.apache.org / thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cuser.kylin.apache.org%3E
Mailing List
lists.apache.org / thread.html/r61666760d8a4e8764b2d5fe158d8a48b569414480fbfadede574cdc0%40%3Ccommits.kylin.apache.org%3E
Mailing ListPatch
openwall.com / lists/oss-security/2020/07/14/1
Mailing List