Is CVE-2020-11420 in the CISA KEV catalog?

No. CVE-2020-11420 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-11420?

CVE-2020-11420 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-11420?

CVE-2020-11420 has an EPSS score of 1.64% (74th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-11420?

Upgrade cs141 firmware to 1.90 or later.

CVE & CISA-KEV Catalog

CVE-2020-11420

MEDIUMEPSS 74th pctl

6.5

CVSS v3

NVD

Description

UPS Adapter CS141 before 1.90 allows Directory Traversal. An attacker with Admin or Engineer login credentials could exploit the vulnerability by manipulating variables that reference files and by doing this achieve access to files and directories outside the web root folder. An attacker may access arbitrary files and directories stored in the file system, but integrity of the files are not jeopardized as attacker have read access rights only.

CWE-22Path Traversal

How to fix

Remediation Available

cs141 firmwareNVD

Affected:< 1.90Fixed in:1.90CVE-2020-11420derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.64%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

Vendor Advisory3

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	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.