How severe is CVE-2019-16954?

CVE-2019-16954 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-2019-16954 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16954?

CVE-2019-16954 affects Solarwinds Web Help Desk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16954?

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

When was CVE-2019-16954 published?

CVE-2019-16954 was published on 2021-01-06 and last updated on 2026-06-17.

CVE-2019-16954

CVE-2019-16954 is a medium-severity vulnerability in Solarwinds Web Help Desk 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: 4.9
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Solarwinds Web Help Desk
Published: 2021-01-06
Last modified: 2026-06-17

Description

SolarWinds Web Help Desk 12.7.0 allows HTML injection via a Comment in a Help Request ticket.

Frequently asked questions

What is CVE-2019-16954?: SolarWinds Web Help Desk 12.7.0 allows HTML injection via a Comment in a Help Request ticket.
How severe is CVE-2019-16954?: CVE-2019-16954 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-2019-16954 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16954?: CVE-2019-16954 affects Solarwinds Web Help Desk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16954?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-16954 published?: CVE-2019-16954 was published on 2021-01-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:solarwinds:web_help_desk:12.7.0:*:*:*:*:*:*:*

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