CVE-2020-8441
9.8
CRITICAL · CVSS 3.1 · EPSS 5% (pctl 92)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
JYaml through 1.3 allows remote code execution during deserialization of a malicious payload through the load() function. NOTE: this is a discontinued product.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.96% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-502 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-02-19 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| jyaml project | jyaml |
References
- https://gist.github.com/j0lt-github/f5141abcacae63d434ecae211422153a
- https://github.com/mbechler/marshalsec
- https://github.com/mbechler/marshalsec/blob/master/marshalsec.pdf
- https://security.netapp.com/advisory/ntap-20200313-0001/
- https://sourceforge.net/p/jyaml/bugs/
- https://gist.github.com/j0lt-github/f5141abcacae63d434ecae211422153a
- https://github.com/mbechler/marshalsec
- https://github.com/mbechler/marshalsec/blob/master/marshalsec.pdf
- https://security.netapp.com/advisory/ntap-20200313-0001/
- https://sourceforge.net/p/jyaml/bugs/
→ the Explorer · watch your stack · NVD