CVE-2021-21434

4.8 mediumEPSS 0.7%

Medium (4.8) in otrs survey. EPSS 0.7% chance of exploitation in the next 30 days.

Survey administrator can craft a survey in such way that malicious code can be executed in the agent interface (i.e. another agent who wants to make changes in the survey). This issue affects: OTRS AG Survey 6.0.x version 6.0.20 and prior versions; 7.0.x version 7.0.19 and prior versions.

Severity

CVSS 3.1

4.8 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-02-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

otrs:survey

References

https://otrs.com/release-notes/otrs-security-advisory-2021-01/
https://otrs.com/release-notes/otrs-security-advisory-2021-01/

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