CVE-2021-26915

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

41.84% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2021-02-08 21:04Z5 YR AGO

Last updated

2024-08-03 20:33Z2 YR AGO

Reserved

2021-02-08

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-502Deserialization of Untrusted DataBase

Data version

5.1

Document digest

720a2e0cbb945f254a6e5ee8e55fee0495bc4bb6bdd185097f9527466948505f

• ssd-disclosure.comhttps://ssd-disclosure.com/?p=4676x_refsource_MISC
• www.netmotionsoftware.comhttps://www.netmotionsoftware.com/security-advisories/security-vulnerability-in-mobility-web-server-november-19-2020x_refsource_MISC
• ssd-disclosure.comhttps://ssd-disclosure.com/ssd-advisory-netmotion-mobility-server-multiple-deserialization-of-untrusted-data-lead-to-rce/x_refsource_MISC