Exploitation evidence
Known exploited · CISA KEV listed
Added 2022-03-25. Ransomware campaign use: Unknown.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2022-04-15. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Apache / Kylin
Default status: Not specified
- affected: 2.3.0
- affected: <=2.6.5
- affected: <=3.0.1
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://lists.apache.org/thread.html/r1332ef34cf8e2c0589cf44ad269fb1fb4c06addec6297f0320f5111d%40%3Cuser.kylin.apache.org%3E
- https://community.sonarsource.com/t/apache-kylin-3-0-1-command-injection-vulnerability/25706
- https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cuser.kylin.apache.org%3E
- https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cdev.kylin.apache.org%3E
- https://lists.apache.org/thread.html/r61666760d8a4e8764b2d5fe158d8a48b569414480fbfadede574cdc0%40%3Ccommits.kylin.apache.org%3E
- https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cannounce.apache.org%3E
- http://www.openwall.com/lists/oss-security/2020/07/14/1
- https://lists.apache.org/thread.html/r021baf9d8d4ae41e8c8332c167c4fa96c91b5086563d9be55d2d7acf%40%3Ccommits.kylin.apache.org%3E
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1956
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.98003,
"percentile": 0.9991
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.97389,
"percentile": 0.99899
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.97389,
"percentile": 0.99899
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.97389,
"percentile": 0.99898
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.97389,
"percentile": 0.99898
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.97389,
"percentile": 0.99899
}06 Nov 2026, 06:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
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"datePublished": "2020-05-22T13:27:43.000Z",
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}05 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.97389,
"percentile": 0.99898
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.97389,
"percentile": 0.99898
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.97389,
"percentile": 0.99899
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.97389,
"percentile": 0.99898
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2020-1956",
"cwes": [
"CWE-78"
],
"dateAdded": "2022-03-25",
"dueDate": "2022-04-15",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2020-1956",
"product": "Kylin",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Apache Kylin contains an OS command injection vulnerability which could permit an attacker to perform remote code execution.",
"vendorProject": "Apache",
"vulnerabilityName": "Apache Kylin OS Command Injection Vulnerability"
}