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Known exploited vulnerability

CVE-2020-1956

highCVSS 3.1 8.8In CISA KEVEPSS 97%Published · Apache

The short answer

CVE-2020-1956 affects Apache Kylin and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-25: attackers are using it, so patch it first. Fixed versions are published for kylin-core-common (2.6.6, 3.0.2).

What it is

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.

Weakness: CWE-78.

Severity

8.8 high

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

Exploited (CISA KEV)

Yes, since Mar 25, 2022

Federal due date Apr 15, 2022

EPSS, next 30 days

97%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected packages and fixed versions

PackageEcosystemFixed inAdvisory
org.apache.kylin:kylin-core-commonMaven2.6.6, 3.0.2GHSA-gprm-xqrc-c2j3

Is it in your code? Drop your lockfile into the free vulnerability check, or let vulnerability watch check your repository every day and open the upgrade as a pull request.

Affected products

Kylin. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2020-1956 being exploited?

Yes. CISA added CVE-2020-1956 to its Known Exploited Vulnerabilities catalog on 2022-03-25, with a federal remediation due date of 2022-04-15.

How do I fix CVE-2020-1956?

Upgrade to a fixed version: org.apache.kylin:kylin-core-common (Maven) 2.6.6 or 3.0.2. CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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