How severe is CVE-2017-16854?

CVE-2017-16854 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-16854 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16854?

CVE-2017-16854 primarily affects Otrs. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-16854?

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

When was CVE-2017-16854 published?

CVE-2017-16854 was published on 2017-12-08 and last updated on 2026-06-17.

CVE-2017-16854

CVE-2017-16854 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: 4.0
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Otrs
Published: 2017-12-08
Last modified: 2026-06-17

Description

In Open Ticket Request System (OTRS) through 3.3.20, 4 through 4.0.26, 5 through 5.0.24, and 6 through 6.0.1, an attacker who is logged in as a customer can use the ticket search form to disclose internal article information of their customer tickets.

Frequently asked questions

What is CVE-2017-16854?: In Open Ticket Request System (OTRS) through 3.3.20, 4 through 4.0.26, 5 through 5.0.24, and 6 through 6.0.1, an attacker who is logged in as a customer can use the ticket search form to disclose internal article information of their customer tickets.
How severe is CVE-2017-16854?: CVE-2017-16854 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-16854 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16854?: CVE-2017-16854 primarily affects Otrs. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-16854?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-16854 published?: CVE-2017-16854 was published on 2017-12-08 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

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