CVE-2021-21492
SAP NetWeaver Application Server Java(HTTP Service), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7...
SAP NetWeaver Application Server Java(HTTP Service), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not sufficiently validate logon group in URLs, resulting in a content spoofing vulnerability when directory listing is enabled.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
SAP NetWeaver Application Server Java(HTTP Service), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not sufficiently validate logon group in URLs, resulting in a content spoofing vulnerability when directory listing is enabled.
- Record
CVE-2021-21492- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N - Weakness
- CWE-290
- Updated
- 2026-11-02
EUVDEUVD-2021-8765
SAP NetWeaver Application Server Java(HTTP Service), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not sufficiently validate logon group in URLs, resulting in a content spoofing vulnerability when directory listing is enabled.
- Record
EUVD-2021-8765- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p6c6-6r9j-859q No score
SAP NetWeaver Application Server Java(HTTP Service), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7...
SAP NetWeaver Application Server Java(HTTP Service), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not sufficiently validate logon group in URLs, resulting in a content spoofing vulnerability when directory listing is enabled.
- Record
GHSA-p6c6-6r9j-859q- Weakness
- CWE-290
- Updated
- 2026-11-02
NVD
SAP NetWeaver Application Server Java(HTTP Service), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not sufficiently validate logon group in URLs, resulting in a content spoofing vulnerability when directory listing is enabled.
- Record
CVE-2021-21492- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-290
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21492 is a medium vulnerability (CVSS 4.3) in Sap Netweaver Application Server Java, published April 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 47th percentile. No source names a fixed version.