How severe is CVE-2022-47391?

CVE-2022-47391 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-2022-47391 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-47391?

CVE-2022-47391 primarily affects Codesys Control For Beaglebone Sl. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-47391?

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-2022-47391 published?

CVE-2022-47391 was published on 2023-05-15 and last updated on 2026-06-17.

CVE-2022-47391

CVE-2022-47391 is a high-severity vulnerability in Codesys Control For Beaglebone Sl 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Codesys Control For Beaglebone Sl
Published: 2023-05-15
Last modified: 2026-06-17

Description

In multiple CODESYS products in multiple versions an unauthorized, remote attacker may use a improper input validation vulnerability to read from invalid addresses leading to a denial of service.

Frequently asked questions

What is CVE-2022-47391?: In multiple CODESYS products in multiple versions an unauthorized, remote attacker may use a improper input validation vulnerability to read from invalid addresses leading to a denial of service.
How severe is CVE-2022-47391?: CVE-2022-47391 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-2022-47391 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-47391?: CVE-2022-47391 primarily affects Codesys Control For Beaglebone Sl. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-47391?: 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-2022-47391 published?: CVE-2022-47391 was published on 2023-05-15 and last updated on 2026-06-17.

References

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17555&token=212fc7e39bdd260cab6d6ca84333d42f50bcb3da&download=

Affected products (17)

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_\(for_beckhoff_cx\)_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_rte_\(sl\):*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_runtime_system_toolkit:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_win_\(sl\):*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:development_system_v3:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:hmi_\(sl\):*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:safety_sil2_psp:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:safety_sil2_runtime_toolkit:*:*:*:*:*:*:*:*

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CVE-2022-47390 — High (CVSS 8.8): An authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component…
CVE-2022-47389 — High (CVSS 8.8): An authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component…

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