CVE-2022-28391

mediumpriority · track · 36OT risk · elevatedEPSS 0.035 · 89 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

3.52% (89th) EPSS

CVSS 6.8 · medium

Is it mine?

44 products

Check your exposure

Who says so?

8 sources

cnnvd · enisa_euvd · fstec_bdu · balluff_psirt

EPSS · scored 2026-10-27

BusyBox through 1.35.0 allows remote attackers to execute arbitrary code if netstat is used to print a DNS PTR record's value to a VT compatible terminal. Alternatively, the attacker could choose to change the terminal's colors.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedSIMATIC S7-1500 TM MFP - BIOSsiemens_psirt
Update to V1.3.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109945851/
Fixedphoenix_contact_psirt
Update to the latest LTS Firmware Release.Update to the latest LTS PLCnext Engineer Release.Please check Phoenix Contact PSIRT webpage for further Updates of this Advisory.
Fixedballuff_psirt
Update to the firmware version 2.4.1.
FixedSIMATIC S7-1500 TM MFP - BIOScisa_csaf_ot
Update to V1.3.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109945851/
Mitigationphoenix_contact_psirt
Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note:Measures to protect network-capable devices with Ethernet connection
WorkaroundSIMATIC S7-1500 TM MFP - BIOSsiemens_psirt
Only build and run applications from trusted sources
WorkaroundSIMATIC S7-1500 TM MFP - BIOScisa_csaf_ot
Only build and run applications from trusted sources

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · CISA US

v3.18.8highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · Phoenix Contact PSIRT DE

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · Balluff PSIRT

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-311USCWE-311USCWE-77USCWE-78USCWE-88USCWE-88US

affected products (44)

Products and version ranges known to be affected.

Firmware 2.4.1 installed on BAV MA-NC-00025-01all versionsfixedballuff_psirtDEcpe:2.3:o:balluff_gmbh:BAV_MA-NC-00025-01_firmware:2.4.1:*:*:*:*:*:*:*
Firmware 2.4.1 installed on BNI EGW-720-007-K095all versionsfixedballuff_psirtDEcpe:2.3:o:balluff_gmbh:BNI_EGW-720-007-K095_firmware:2.4.1:*:*:*:*:*:*:*
Firmware <2.4.1 installed on BAV MA-NC-00025-01all versionsballuff_psirtDEcpe:2.3:o:balluff_gmbh:BAV_MA-NC-00025-01_firmware:*:*:*:*:*:*:*:*
Firmware <2.4.1 installed on BNI EGW-720-007-K095all versionsballuff_psirtDEcpe:2.3:o:balluff_gmbh:BNI_EGW-720-007-K095_firmware:*:*:*:*:*:*:*:*
Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Broadcom Brocade SANnavall versionscert_bundDEcpe:/a:broadcom:brocade_sannav:-
Dell ECSall versionscert_bundDEcpe:/h:dell:ecs:-
Hirschmann BAT-C2< 9.13.1.0R2cert_bundDE
Hirschmann owl< 6.3.7cert_bundDE
Infoblox NIOS< 9.0.3cert_bundDE
Open Source BusyBox≤ 1.35.0cert_bundDE
Open Source Prometheus< 2.34.0cert_bundDE
SIMATIC S7-1500 TM MFP - BIOSall versionscisa_csaf_otUS
Siemens SIMATIC S7-1500 TM MFP - BIOS< V1.3.0cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.6fstec_bduRU
АО «НТЦ ИТ РОСА» РОСА ХРОМ≤ 12.4fstec_bduRU
ООО "Открытая мобильная платформа" ОС Аврора≤ 4.0.2.209fstec_bduRU
ООО «ИнфоВотч АРМА» Программный комплекс «InfoWatch ARMA Стена»4.8.0 → 4.9.0fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU

showing 20 of 44

advisories (6)

Vendor and ecosystem advisories describing this.

SSA-831302SSA-831302: Vulnerabilities in the BIOS of the SIMATIC S7-1500 TM MFP before V1.3.02023-06-13csaf · siemens_psirtDE
Multiple vulnerabilities have been identified in the BIOS of the SIMATIC S7-1500 TM MFP before V1.3.0. Siemens has released a new version for SIMATIC S7-1500 TM MFP - BIOS and recommends to update to the latest version.
VDE-2022-046PHOENIX CONTACT: Multiple Linux component vulnerabilities in PLCnext Firmware2022-11-10csaf · phoenix_contact_psirtDE
UPDATE A: Two devices (ENERGY AXC PU, SMARTRTU AXC SG) added (24.11.2022) Update for PLCnext Firmware containing fixes for recent vulnerability findings in Linux components and security enhancements. PLCnext Control AXC F x152 is certified according to IEC 62443-4-1 and IEC 62443-4-2. This certification requires that all third-party components used in the firmware are regularly checked for known vulnerabilities.
VDE-2026-049Balluff GmbH: Multiple Vulnerabilities Affecting BNI EGW-720-007-K095 and BAV MA-NC-00025-012026-06-30csaf · balluff_psirtDE
Security advisory for Balluff BNI EGW-720-007-K095 and BAV MA-NC-00025-01 firmware versions prior to 2.4.1. This advisory covers multiple vulnerabilities affecting software components used by the device firmware.
WID-SEC-W-2022-0612BusyBox: Schwachstelle ermöglicht CodeausführungDeutsch2022-04-03csaf · cert_bundDE
Ein entfernter Angreifer kann eine Schwachstelle in BusyBox ausnutzen, um beliebigen Programmcode auszuführen.
WID-SEC-W-2023-1432Siemens SIMATIC S7: Mehrere SchwachstellenDeutsch2023-06-12csaf · cert_bundDE
Ein Angreifer aus dem angrenzenden Netzwerk oder ein entfernter, anonymer, authentisierter, physischer oder lokaler Angreifer kann mehrere Schwachstellen in Siemens SIMATIC S7 ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand herbeizuführen, seine Privilegien zu erweitern und Daten zu manipulieren.
ICSA-23-166-10Siemens SIMATIC S7-1500 TM MFP BIOS2023-06-13icsa · cisa_csaf_otUS
Multiple vulnerabilities have been identified in the BIOS of the SIMATIC S7-1500 TM MFP before V1.3.0. Siemens has released a new version for SIMATIC S7-1500 TM MFP - BIOS and recommends to update to the latest version.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu balluff_psirt cert_bund cisa_csaf_ot siemens_psirt phoenix_contact_psirt NVD CVE.org MITRE

published 2022-04-03modified 2026-09-09

references (11)

External citations — patches, advisories, analysis.

scry

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