Is CVE-2020-5258 in the CISA KEV catalog?

No. CVE-2020-5258 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-5258?

CVE-2020-5258 has a CVSS v3 base score of 7.7 (HIGH).

What is the EPSS score for CVE-2020-5258?

CVE-2020-5258 has an EPSS score of 3.99% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-5258?

Upgrade dojo on debian 11 to 1.15.3+dfsg1-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-5258

HIGHEPSS 89th pctl

7.7

CVSS v3

NVD

Description

In affected versions of dojo (NPM package), the deepCopy method is vulnerable to Prototype Pollution. Prototype Pollution refers to the ability to inject properties into existing JavaScript language construct prototypes, such as objects. An attacker manipulates these attributes to overwrite, or pollute, a JavaScript application object prototype of the base object by injecting other values. This has been patched in versions 1.12.8, 1.13.7, 1.14.6, 1.15.3 and 1.16.2

CWE-94Code Injection CWE-1321

How to fix

Remediation Available

dojoDebian

Fixed in:1.15.3+dfsg1-1CVE-2020-5258

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

3.99%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch4

Exploit1

github.com

Third-Party Advisory2

Other references4

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-3248	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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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.