How severe is CVE-2023-37547?

CVE-2023-37547 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-37547 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37547?

CVE-2023-37547 primarily affects Codesys Control For Beaglebone Sl. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-37547?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-37547 published?

CVE-2023-37547 was published on 2023-08-03 and last updated on 2026-06-17.

CVE-2023-37547

CVE-2023-37547 is a medium-severity vulnerability in Codesys Control For Beaglebone Sl with a CVSS 3.x base score of 6.5. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Codesys Control For Beaglebone Sl
Published: 2023-08-03
Last modified: 2026-06-17

Description

In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37546, CVE-2023-37548, CVE-2023-37549 and CVE-2023-37550

Frequently asked questions

What is CVE-2023-37547?: In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37546, CVE-2023-37548, CVE-2023-37549 and CVE-2023-37550
How severe is CVE-2023-37547?: CVE-2023-37547 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-37547 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37547?: CVE-2023-37547 primarily affects Codesys Control For Beaglebone Sl. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-37547?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-37547 published?: CVE-2023-37547 was published on 2023-08-03 and last updated on 2026-06-17.

References

https://cert.vde.com/en/advisories/VDE-2023-019

Affected products (16)

cpe:2.3:a:codesys:control_for_beaglebone_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_for_empc-a\/imx6_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_for_iot2000_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_for_linux_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_for_pfc100_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_for_pfc200_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_for_plcnext_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_for_raspberry_pi_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_for_wago_touch_panels_600_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_rte_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_rte_sl_\(for_beckhoff_cx\):*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_runtime_system_toolkit:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_win_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:development_system:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:hmi:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:safety_sil2:*:*:*:*:*:*:*:*

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