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Fencer Intel
critical 9.4

CVE-2022-26833 in the critical feed json

An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121.

published 4y ago modified 4mo ago also EUVD-2022-31383

cvss
9.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
37.6%
EPSS 37.6% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known, plus a Nuclei check

Summary

An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121. A specially-crafted series of HTTP requests can lead to unauthenticated use of the REST API. An attacker can send a series of HTTP requests to trigger this vulnerability.

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Exploit prediction

37.64% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template Open Automation Software OAS Platform V16.00.0121 - Missing Authentication nuclei detection template
  • talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2022-1513 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
NVD 3.1 9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Open Automation Software OAS Platform

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

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.