PiiGAB M-Bus Code Injection

published 2023-07-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-40779

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

PiiGAB M-Bus

SoftwarePack 900S

does not correctly sanitize user input, which could allow an attacker to inject arbitrary commands.

Vendor advisories

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

cisa ICSA-23-187-01 updated 2023-07-06 cvss 8.8

PiiGAB M-Bus

PiiGAB, Processinformation i G�teborg Aktiebolag M-Bus SoftwarePack 900S
affected: mitigation

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: 23 mo ago (2024-11-14)

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

PiiGAB M-Bus SoftwarePack
piigab m-bus_900s

Classification

Weakness

CWE-94 Improper Control of Generation of Code

References

cisa.gov /news-events/ics-advisories/icsa-23-187-01
third-party-advisory, us-government-resource

Sources

CVE List CVE-2023-36859
NVD CVE-2023-36859

Fencer Vulns 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.

Summary