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Fencer Intel
low 3.5

CVE-2021-21437 json

Config Items are shown to users without permission

published 5y ago modified 4mo ago also EUVD-2021-8711

cvss
3.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

Agents are able to see linked Config Items without permissions, which are defined in General Catalog. This issue affects: OTRSCIsInCustomerFrontend 7.0.15 and prior versions, ITSMConfigurationManagement 7.0.24 and prior versions

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Exploit prediction

0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • OTRS AG OTRSCIsInCustomerFrontend
  • OTRS AG ITSMConfigurationManagement

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls
  • CWE-862 Missing Authorization

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.