How severe is CVE-2020-35381?

CVE-2020-35381 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-35381 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35381?

CVE-2020-35381 primarily affects Jsonparser Project Jsonparser. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-35381?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-35381 published?

CVE-2020-35381 was published on 2020-12-15 and last updated on 2026-06-17.

CVE-2020-35381

CVE-2020-35381 is a high-severity vulnerability in Jsonparser Project Jsonparser with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Jsonparser Project Jsonparser
Published: 2020-12-15
Last modified: 2026-06-17

Description

jsonparser 1.0.0 allows attackers to cause a denial of service (panic: runtime error: slice bounds out of range) via a GET call.

Frequently asked questions

What is CVE-2020-35381?: jsonparser 1.0.0 allows attackers to cause a denial of service (panic: runtime error: slice bounds out of range) via a GET call.
How severe is CVE-2020-35381?: CVE-2020-35381 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-35381 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35381?: CVE-2020-35381 primarily affects Jsonparser Project Jsonparser. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-35381?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-35381 published?: CVE-2020-35381 was published on 2020-12-15 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:jsonparser_project:jsonparser:1.0.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

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