How severe is CVE-2019-19821?

CVE-2019-19821 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2019-19821 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19821?

CVE-2019-19821 affects Combodo Itop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19821?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-19821 published?

CVE-2019-19821 was published on 2020-03-16 and last updated on 2026-06-17.

CVE-2019-19821

CVE-2019-19821 is a high-severity vulnerability in Combodo Itop with a CVSS 3.x base score of 8.1. 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: High (CVSS 3.x base score 8.1)
CVSS v2: 5.5
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Combodo Itop
Published: 2020-03-16
Last modified: 2026-06-17

Description

A post-authentication privilege escalation in the web application of Combodo iTop allows regular authenticated users to access information and modify information with administrative privileges by not following the HTTP Location header in server responses. This is fixed in all iTop packages (community, essential, professional) in versions : 2.5.4, 2.6.3, 2.7.0

Frequently asked questions

What is CVE-2019-19821?: A post-authentication privilege escalation in the web application of Combodo iTop allows regular authenticated users to access information and modify information with administrative privileges by not following the HTTP Location header in server responses. This is fixed in all iTop packages (community, essential, professional) in versions : 2.5.4, 2.6.3, 2.7.0
How severe is CVE-2019-19821?: CVE-2019-19821 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2019-19821 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19821?: CVE-2019-19821 affects Combodo Itop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19821?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-19821 published?: CVE-2019-19821 was published on 2020-03-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:combodo:itop:*:*:*:*:*:*:*:*

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