Is CVE-2019-11820 in the CISA KEV catalog?

No. CVE-2019-11820 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-11820?

CVE-2019-11820 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2019-11820?

CVE-2019-11820 has an EPSS score of 0.28% (20th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-11820?

Upgrade calendar to 2.3.3-0620 or later.

CVE & CISA-KEV Catalog

CVE-2019-11820

MEDIUM

5.5

CVSS v3

NVD

Description

Information exposure through process environment vulnerability in Synology Calendar before 2.3.3-0620 allows local users to obtain credentials via cmdline.

CWE-522

How to fix

Remediation Available

calendarNVD

Affected:< 2.3.3-0620Fixed in:2.3.3-0620CVE-2019-11820derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.28%probability of exploitation in 30 days

20thpercentile

Low risk: more likely to be exploited than 20% of all known CVEs.

References

Vendor Advisory1

synology.com

Related Vulnerabilities

Other CWE-522 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-17662	Critical	9.8	97%	-	-
CVE-2020-29583	Critical	9.8	90%	KEV	-
CVE-2021-30116	Critical	10.0	86%	KEV + Ransom	Fix
CVE-2024-44000	Critical	9.8	83%	-	Fix
CVE-2018-9160	Critical	9.8	77%	-	-
CVE-2017-9248	Critical	9.8	75%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.