Is CVE-2021-27568 in the CISA KEV catalog?

No. CVE-2021-27568 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27568?

CVE-2021-27568 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2021-27568?

CVE-2021-27568 has an EPSS score of 2.89% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-27568?

Upgrade json-smart-v1 to 1.3.2 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-27568

MEDIUMEPSS 85th pctl

5.9

CVSS v3

NVD

Description

An issue was discovered in netplex json-smart-v1 through 2015-10-23 and json-smart-v2 through 2.4. An exception is thrown from a function, but it is not caught, as demonstrated by NumberFormatException. When it is not caught, it may cause programs using the library to crash or expose sensitive information.

CWE-754

How to fix

Remediation Available

json-smart-v1NVD

Affected:< 1.3.2Fixed in:1.3.2CVE-2021-27568derived from NVD

json-smart-v2NVD

Affected:>= 2.4, < 2.4.1Fixed in:2.4.1CVE-2021-27568derived from NVD

oss support toolsNVD

Affected:< 2.12.42Fixed in:2.12.42CVE-2021-27568derived 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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.89%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Patch3

Exploit2

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.