How severe is CVE-2019-12746?

CVE-2019-12746 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-12746 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12746?

CVE-2019-12746 primarily affects Otrs. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-12746?

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

When was CVE-2019-12746 published?

CVE-2019-12746 was published on 2019-08-21 and last updated on 2026-06-17.

CVE-2019-12746

CVE-2019-12746 is a medium-severity vulnerability in Otrs with a CVSS 3.x base score of 6.5. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Otrs
Published: 2019-08-21
Last modified: 2026-06-17

Description

An issue was discovered in Open Ticket Request System (OTRS) Community Edition 5.0.x through 5.0.36 and 6.0.x through 6.0.19. A user logged into OTRS as an agent might unknowingly disclose their session ID by sharing the link of an embedded ticket article with third parties. This identifier can be then be potentially abused in order to impersonate the agent user.

Frequently asked questions

What is CVE-2019-12746?: An issue was discovered in Open Ticket Request System (OTRS) Community Edition 5.0.x through 5.0.36 and 6.0.x through 6.0.19. A user logged into OTRS as an agent might unknowingly disclose their session ID by sharing the link of an embedded ticket article with third parties. This identifier can be then be potentially abused in order to impersonate the agent user.
How severe is CVE-2019-12746?: CVE-2019-12746 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-12746 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12746?: CVE-2019-12746 primarily affects Otrs. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-12746?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-12746 published?: CVE-2019-12746 was published on 2019-08-21 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

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