How severe is CVE-2023-27499?

CVE-2023-27499 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-2023-27499 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27499?

CVE-2023-27499 primarily affects Sap Netweaver. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-27499?

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

When was CVE-2023-27499 published?

CVE-2023-27499 was published on 2023-04-11 and last updated on 2026-06-17.

CVE-2023-27499

CVE-2023-27499 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)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sap Netweaver
Published: 2023-04-11
Last modified: 2026-06-17

Description

SAP GUI for HTML - versions KERNEL 7.22, 7.53, 7.54, 7.77, 7.81, 7.85, 7.89, 7.91, KRNL64UC, 7.22, 7.22EXT, KRNL64UC 7.22, 7.22EXT does not sufficiently encode user-controlled inputs, resulting in a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could craft a malicious URL and lure the victim to click, the script supplied by the attacker will execute in the victim user's browser. The information from the victim's web browser can either be modified or read and sent to the attacker.

Frequently asked questions

What is CVE-2023-27499?: SAP GUI for HTML - versions KERNEL 7.22, 7.53, 7.54, 7.77, 7.81, 7.85, 7.89, 7.91, KRNL64UC, 7.22, 7.22EXT, KRNL64UC 7.22, 7.22EXT does not sufficiently encode user-controlled inputs, resulting in a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could craft a malicious URL and lure the victim to click, the script supplied by the attacker will execute in the victim user's browser. The information from the victim's web browser can either be modified or read and sent to the attacker.
How severe is CVE-2023-27499?: CVE-2023-27499 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-2023-27499 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27499?: CVE-2023-27499 primarily affects Sap Netweaver. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-27499?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27499 published?: CVE-2023-27499 was published on 2023-04-11 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:sap:netweaver:7.22ext:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:7.22:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:7.53:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:7.54:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:7.77:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:7.81:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:7.85:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:7.89:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:7.91:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:krnl64uc:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:krnl64uc_7.22:*:*:*:*:*:*:*

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