CVE-2021-33665: sap_se sap netweaver application server abap (applications based on sap gui for html) Cross-site Scripting
Vulnerability summary
CVE-2021-33665 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in sap_se sap netweaver application server abap (applications based on sap gui for html). EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.8% of scored vulnerabilities.
Timeline
- 09-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
SAP NetWeaver Application Server ABAP (Applications based on SAP GUI for HTML), versions - KRNL64NUC - 7.49, KRNL64UC - 7.49,7.53, KERNEL - 7.49,7.53,7.77,7.81,7.84, does not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability.
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST5.4MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.47%
Chance of exploitation in the next 30 days
Percentile
40%
Versus all other CVEs
30-day change
0.00 pp
From 0.47% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Sap1 product
- netweaver_application_server_abapkernel_7.49 | kernel_7.53 | kernel_7.77 | kernel_7.81 | kernel_7.84 | krnl64nuc_7.49 | krnl64uc_7.49 | krnl64uc_7.53
Sap_se1 product
- sap netweaver application server abap (applications based on sap gui for html)< KRNL64NUC - 7.49 | < KRNL64UC - 7.49 | < 7.53 | < KERNEL - 7.49 | < 7.77 | < 7.81 | < 7.84
2 vendors · 2 products