🛡️ CVE-2020-8441 — jyaml

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-502 OSV

9.5

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

Deserialization of Untrusted Data in JYaml

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

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2020-8441 is classified as CWE-502: Deserialization of Untrusted Data. Serialised data from an untrusted source is reconstructed into objects, which can trigger code during the process.

Affected software

CVE-2020-8441 is recorded against 1 package.

org.jyaml:jyaml

Timeline and source

Published on 24 May 2022 and last revised on 21 February 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
gist.github.com (Web)
github.com (Web)
github.com (Web)
security.netapp.com (Web)
sourceforge.net (Web)

Details

Severity CRITICAL

CVSS Score 9.5

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

CWE CWE-502

Public Exploit ✅ No

Source OSV

Published 2022-05-24

Updated 2026-08-12

Modified 2024-02-21

Fix URL N/A

Affected Packages

Software	From version	Fixed in
org.jyaml:jyaml	—	—

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-8441

WEB https://gist.github.com/j0lt-github/f5141abcacae63d434ecae211422153a

WEB https://github.com/mbechler/marshalsec

WEB https://github.com/mbechler/marshalsec/blob/master/marshalsec.pdf

WEB https://security.netapp.com/advisory/ntap-20200313-0001

WEB https://sourceforge.net/p/jyaml/bugs

🔗 NVD 🔗 Mitre

Exploit Protection

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