How severe is CVE-2019-16955?

CVE-2019-16955 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-2019-16955 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16955?

CVE-2019-16955 affects Solarwinds Webhelpdesk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16955?

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

When was CVE-2019-16955 published?

CVE-2019-16955 was published on 2020-12-18 and last updated on 2026-06-17.

CVE-2019-16955

CVE-2019-16955 is a medium-severity vulnerability in Solarwinds Webhelpdesk 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: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Solarwinds Webhelpdesk
Published: 2020-12-18
Last modified: 2026-06-17

Description

SolarWinds Web Help Desk 12.7.0 allows XSS via an uploaded SVG document in a request.

Frequently asked questions

What is CVE-2019-16955?: SolarWinds Web Help Desk 12.7.0 allows XSS via an uploaded SVG document in a request.
How severe is CVE-2019-16955?: CVE-2019-16955 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-2019-16955 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16955?: CVE-2019-16955 affects Solarwinds Webhelpdesk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16955?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-16955 published?: CVE-2019-16955 was published on 2020-12-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:solarwinds:webhelpdesk:12.7.0:*:*:*:*:*:*:*

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