What is the CVSS score of CVE-2020-8441?

CVE-2020-8441 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 5.0%.

Is there a public PoC exploit available for CVE-2020-8441?

Yes, a public proof-of-concept exploit is available for CVE-2020-8441. Prioritise patching immediately. EPSS: 5.0%.

Jyaml CVE-2020-8441

CRITICAL

Deserialization of Untrusted Data (CWE-502)

2020-02-19 cve@mitre.org

RCE Deserialization Jyaml

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Feb 19, 2020 - 17:15 nvd

CRITICAL 9.8

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

117 maven packages depend on org.jyaml:jyaml (30 direct, 87 indirect)

Ecosystem-wide dependent count for version 1.3.

DescriptionNVD

JYaml through 1.3 allows remote code execution during deserialization of a malicious payload through the load() function. NOTE: this is a discontinued product.

AnalysisAI

JYaml through 1.3 allows remote code execution during deserialization of a malicious payload through the load() function. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Deserialization of Untrusted Data (CWE-502), which allows attackers to execute arbitrary code through malicious serialized objects. JYaml through 1.3 allows remote code execution during deserialization of a malicious payload through the load() function. NOTE: this is a discontinued product. Affected products include: Jyaml Project Jyaml. Version information: through 1.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid deserializing untrusted data. Use safe serialization formats (JSON). Implement integrity checks and type allowlists.