How severe is CVE-2019-20768?

CVE-2019-20768 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-20768 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20768?

CVE-2019-20768 primarily affects Servicenow It Service Management. In total, 66 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-20768?

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

When was CVE-2019-20768 published?

CVE-2019-20768 was published on 2020-05-05 and last updated on 2026-06-17.

CVE-2019-20768

CVE-2019-20768 is a medium-severity vulnerability in Servicenow It Service Management with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Servicenow It Service Management
Published: 2020-05-05
Last modified: 2026-06-17

Description

ServiceNow IT Service Management Kingston through Patch 14-1, London through Patch 7, and Madrid before patch 4 allow stored XSS via crafted sysparm_item_guid and sys_id parameters in an Incident Request to service_catalog.do.

Frequently asked questions

What is CVE-2019-20768?: ServiceNow IT Service Management Kingston through Patch 14-1, London through Patch 7, and Madrid before patch 4 allow stored XSS via crafted sysparm_item_guid and sys_id parameters in an Incident Request to service_catalog.do.
How severe is CVE-2019-20768?: CVE-2019-20768 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-20768 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20768?: CVE-2019-20768 primarily affects Servicenow It Service Management. In total, 66 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-20768?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-20768 published?: CVE-2019-20768 was published on 2020-05-05 and last updated on 2026-06-17.

References

Affected products (66)

cpe:2.3:a:servicenow:it_service_management:kingston:-:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_1:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_10:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_10-1:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_10-2:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_11:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_12:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_12-1:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_12-2:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_13:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_14:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_14-1:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_2:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_3:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_3-1:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_3-2:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_3a-1:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_4:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_4-1:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_4-2:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_4-4:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_5:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_6:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_6-1:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_6-2:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_6-3:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_6-5:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_7:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_7-1:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_8:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_8-1:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:kingston:patch_9:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:london:-:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:london:patch_1:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:london:patch_1-2:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:london:patch_1-3:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:london:patch_2:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:london:patch_2-2:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:london:patch_2-4:*:*:*:*:*:*
cpe:2.3:a:servicenow:it_service_management:london:patch_2-5:*:*:*:*:*:*

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