How severe is CVE-2023-1150?

CVE-2023-1150 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-1150 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1150?

CVE-2023-1150 primarily affects Wago 750-363/040-000 Firmware. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-1150?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-1150 published?

CVE-2023-1150 was published on 2023-06-26 and last updated on 2026-06-17.

CVE-2023-1150

CVE-2023-1150 is a high-severity vulnerability in Wago 750-363/040-000 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-772.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-772
Affected product: Wago 750-363/040-000 Firmware
Published: 2023-06-26
Last modified: 2026-06-17

Description

Uncontrolled resource consumption in Series WAGO 750-3x/-8x products may allow an unauthenticated remote attacker to DoS the MODBUS server with specially crafted packets.

Frequently asked questions

What is CVE-2023-1150?: Uncontrolled resource consumption in Series WAGO 750-3x/-8x products may allow an unauthenticated remote attacker to DoS the MODBUS server with specially crafted packets.
How severe is CVE-2023-1150?: CVE-2023-1150 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-1150 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1150?: CVE-2023-1150 primarily affects Wago 750-363/040-000 Firmware. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-1150?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-1150 published?: CVE-2023-1150 was published on 2023-06-26 and last updated on 2026-06-17.

References

https://cert.vde.com/en/advisories/VDE-2023-005/

Affected products (18)

cpe:2.3:o:wago:750-363\/040-000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-362\/040-000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-362\/000-001_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-891_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-365\/040-010_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-364\/040-010_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-362_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-363_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-823_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-832_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-832\/000-002_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-862_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-890_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-890\/025-000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-890\/025-001_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-890\/025-002_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-890\/040-000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-893_firmware:*:*:*:*:*:*:*:*

Other CWE-772 vulnerabilities

CVE-2020-12134 — Critical (CVSS 9.8): Nanometrics Centaur through 4.3.23 and TitanSMA through 4.2.20 mishandle access control for the syslog log.
CVE-2017-15032 — Critical (CVSS 9.8): ImageMagick version 7.0.7-2 contains a memory leak in ReadYCBCRImage in coders/ycbcr.c.
CVE-2017-14138 — Critical (CVSS 9.8): ImageMagick 7.0.6-5 has a memory leak vulnerability in ReadWEBPImage in coders/webp.c because memory is not freed in…
CVE-2017-11641 — Critical (CVSS 9.8): GraphicsMagick 1.3.26 has a Memory Leak in the PersistCache function in magick/pixel_cache.c during writing of Magick…
CVE-2020-14339 — High (CVSS 8.8): A flaw was found in libvirt, where it leaked a file descriptor for `/dev/mapper/control` into the QEMU process. This…
CVE-2018-19760 — High (CVSS 8.8): cfg_init in confuse.c in libConfuse 3.2.2 has a memory leak.

Browse all CWE-772 vulnerabilities →