Is CVE-2020-1953 in the CISA KEV catalog?

No. CVE-2020-1953 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-1953?

CVE-2020-1953 has a CVSS v3 base score of 10.0 (CRITICAL).

What is the EPSS score for CVE-2020-1953?

CVE-2020-1953 has an EPSS score of 6.68% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-1953?

Upgrade commons-configuration2 on debian 11 to 2.7-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-1953

CRITICALEPSS 93th pctl

10.0

CVSS v3

NVD

Description

Apache Commons Configuration uses a third-party library to parse YAML files which by default allows the instantiation of classes if the YAML includes special statements. Apache Commons Configuration versions 2.2, 2.3, 2.4, 2.5, 2.6 did not change the default settings of this library. So if a YAML file was loaded from an untrusted source, it could therefore load and execute code out of the control of the host application.

How to fix

Remediation Available

commons-configuration2Debian

Fixed in:2.7-1CVE-2020-1953

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

6.68%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Third-Party Advisory1

oracle.com

Other references3

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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.