CVE-2021-31537

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

7.78% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 94.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-05-11 14:11Z5 YR AGO

Last updated

2024-08-03 23:03Z2 YR AGO

Reserved

2021-04-22

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

90c1805d5aa5950dafa5bddf66ec411a08b3d9b2ec764c37a2e0a8008c081861

• sisinformatik.comhttps://sisinformatik.com/rewe-go/x_refsource_MISC
• sec-consult.comhttps://sec-consult.com/vulnerability-lab/advisory/reflected-xss-sis-infromatik-rewe-go-cve-2021-31537/x_refsource_MISC
• seclists.orghttp://seclists.org/fulldisclosure/2021/May/20x_refsource_MISC