6.1

CVE-2021-21491: sap se sap netweaver application server java (applications based on web dynpro java) Open Redirect

CVSS: 6.1v3.1MediumModified
Published 10-03-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-21491 is a medium (CVSS 6.1) Open Redirect vulnerability in sap se sap netweaver application server java (applications based on web dynpro java). EPSS estimates a 0.69% chance of exploitation in the next 30 days, higher than 52.1% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
0.69%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-03-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

SAP Netweaver Application Server Java (Applications based on WebDynpro Java) versions 7.00, 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allow an attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

0.69%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

+0.02 pp

From 0.67% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.69%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Sap1 product
Sap se1 product

2 vendors · 2 products

References

2 links