How severe is CVE-2019-19381?

CVE-2019-19381 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-2019-19381 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19381?

CVE-2019-19381 affects Abacus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19381?

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

When was CVE-2019-19381 published?

CVE-2019-19381 was published on 2020-03-11 and last updated on 2026-06-17.

CVE-2019-19381

CVE-2019-19381 is a medium-severity vulnerability in Abacus 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)
CVSS v2: 4.3
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Abacus
Published: 2020-03-11
Last modified: 2026-06-17

Description

oauth/oauth2/v1/saml/ in Abacus OAuth Login 2019_01_r4_20191021_0000 before prior to R4 (20.11.2019 Hotfix) allows Reflected Cross Site Scripting (XSS) via an error message.

Frequently asked questions

What is CVE-2019-19381?: oauth/oauth2/v1/saml/ in Abacus OAuth Login 2019_01_r4_20191021_0000 before prior to R4 (20.11.2019 Hotfix) allows Reflected Cross Site Scripting (XSS) via an error message.
How severe is CVE-2019-19381?: CVE-2019-19381 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-2019-19381 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19381?: CVE-2019-19381 affects Abacus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19381?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-19381 published?: CVE-2019-19381 was published on 2020-03-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:abacus:abacus:2019-11-20:*:*:*:*:*:*:*

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