Sequi PortBloque S Improper Authorization

published 2022-08-16 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-34907

cvss: 9.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits: 0; none known

Sequi PortBloque S has an improper authorization vulnerability, which may allow a low-privileged user to perform administrative functions using specifically crafted requests.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-228-07 updated 2022-08-16 cvss 9.9

Sequi PortBloque S

Sequi PortBloque S
affected: mitigation “As of August 9, 2022, Sequi has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of this affected product should contact Sequi for additional information.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 18 mo ago (2025-04-16)

Exploit prediction

0.86% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.9	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Sequi PortBloque S

Classification

Weakness

CWE-285 Improper Authorization

References

cisa.gov /uscert/ics/advisories/icsa-22-228-07
third-party-advisory, us-government-resource

Sources

CVE List CVE-2022-2661
NVD CVE-2022-2661

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Summary