How severe is CVE-2024-28135?

CVE-2024-28135 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2024-28135 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-28135?

CVE-2024-28135 primarily affects Phoenixcontact Charx Sec-3000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-28135?

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

Does CVE-2024-28135 have an EU (EUVD) identifier?

Yes. CVE-2024-28135 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25282.

When was CVE-2024-28135 published?

CVE-2024-28135 was published on 2024-05-14 and last updated on 2026-06-17.

CVE-2024-28135

CVE-2024-28135 is a medium-severity vulnerability in Phoenixcontact Charx Sec-3000 Firmware with a CVSS 3.x base score of 5.0. 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-77.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-25282
Weakness: CWE-77
Affected product: Phoenixcontact Charx Sec-3000 Firmware
Published: 2024-05-14
Last modified: 2026-06-17

Description

A low privileged remote attacker can use a command injection vulnerability in the API which performs remote code execution as the user-app user due to improper input validation. The confidentiality is partly affected.

Frequently asked questions

What is CVE-2024-28135?: A low privileged remote attacker can use a command injection vulnerability in the API which performs remote code execution as the user-app user due to improper input validation. The confidentiality is partly affected.
How severe is CVE-2024-28135?: CVE-2024-28135 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2024-28135 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-28135?: CVE-2024-28135 primarily affects Phoenixcontact Charx Sec-3000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-28135?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-28135 have an EU (EUVD) identifier?: Yes. CVE-2024-28135 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25282.
When was CVE-2024-28135 published?: CVE-2024-28135 was published on 2024-05-14 and last updated on 2026-06-17.

References

https://cert.vde.com/en/advisories/VDE-2024-019

Affected products (4)

cpe:2.3:o:phoenixcontact:charx_sec-3000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:charx_sec-3050_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:charx_sec-3100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:charx_sec-3150_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Phoenixcontact Charx Sec-3000 Firmware

CVE-2025-25270 — Critical (CVSS 9.8): An unauthenticated remote attacker can alter the device configuration in a way to get remote code execution as root…
CVE-2024-25995 — Critical (CVSS 9.8): An unauthenticated remote attacker can modify configurations to perform a remote code execution, gain root rights or…
CVE-2025-25271 — High (CVSS 8.8): An unauthenticated adjacent attacker is able to configure a new OCPP backend, due to insecure defaults for the…
CVE-2025-25268 — High (CVSS 8.8): An unauthenticated adjacent attacker can modify configuration by sending specific requests to an API-endpoint resulting…
CVE-2024-26288 — High (CVSS 8.7): An unauthenticated remote attacker can influence the communication due to the lack of encryption of sensitive data via…
CVE-2024-6788 — High (CVSS 8.6): A remote unauthenticated attacker can use the firmware update feature on the LAN interface of the device to reset the…

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