CVE-2021-28170

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 81.8% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-05-26 21:55Z5 YR AGO

Last updated

2024-08-03 21:40Z2 YR AGO

Reserved

2021-03-12

Assigning CNA

eclipse

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-917Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')Base

Data version

5.1

Document digest

86fbec0e3b1e602b3cfaa914e1b2b6fcdaf9088879e358eae8f6ebead828ef47

• github.comhttps://github.com/eclipse-ee4j/el-ri/issues/155x_refsource_CONFIRM
• securitylab.github.comhttps://securitylab.github.com/advisories/GHSL-2020-021-jakarta-el/x_refsource_CONFIRM
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2022.htmlx_refsource_MISC