How severe is CVE-2021-38183?

CVE-2021-38183 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-38183 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38183?

CVE-2021-38183 primarily affects Sap Netweaver. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-38183?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-38183 published?

CVE-2021-38183 was published on 2021-10-12 and last updated on 2026-06-17.

CVE-2021-38183

CVE-2021-38183 is a medium-severity vulnerability in Sap Netweaver with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sap Netweaver
Published: 2021-10-12
Last modified: 2026-06-17

Description

SAP NetWeaver - versions 700, 701, 702, 730, does not sufficiently encode user-controlled inputs, allowing an attacker to cause a potential victim to supply a malicious content to a vulnerable web application, which is then reflected to the victim and executed by the web browser, resulting in Cross-Site Scripting vulnerability.

Frequently asked questions

What is CVE-2021-38183?: SAP NetWeaver - versions 700, 701, 702, 730, does not sufficiently encode user-controlled inputs, allowing an attacker to cause a potential victim to supply a malicious content to a vulnerable web application, which is then reflected to the victim and executed by the web browser, resulting in Cross-Site Scripting vulnerability.
How severe is CVE-2021-38183?: CVE-2021-38183 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-38183 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38183?: CVE-2021-38183 primarily affects Sap Netweaver. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-38183?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-38183 published?: CVE-2021-38183 was published on 2021-10-12 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:sap:netweaver:700:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver:701:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver:702:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver:730:*:*:*:*:*:*:*

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