CVE-2023-0757
CVE-2023-0757 is a critical-severity vulnerability in Phoenixcontact Multiprog with a CVSS 3.x base score of 9.8. 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-732.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (55th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-732
- Affected product: Phoenixcontact Multiprog
- Published:
- Last modified:
Description
Incorrect Permission Assignment for Critical Resource vulnerability in PHOENIX CONTACT MULTIPROG, PHOENIX CONTACT ProConOS eCLR (SDK) allows an unauthenticated remote attacker to upload arbitrary malicious code and gain full access on the affected device.
Frequently asked questions
- What is CVE-2023-0757?
- Incorrect Permission Assignment for Critical Resource vulnerability in PHOENIX CONTACT MULTIPROG, PHOENIX CONTACT ProConOS eCLR (SDK) allows an unauthenticated remote attacker to upload arbitrary malicious code and gain full access on the affected device.
- How severe is CVE-2023-0757?
- CVE-2023-0757 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-0757 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-0757?
- CVE-2023-0757 primarily affects Phoenixcontact Multiprog. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-0757?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-0757 published?
- CVE-2023-0757 was published on 2023-12-14 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:phoenixcontact:multiprog:*:*:*:*:*:*:*:*
- cpe:2.3:a:phoenixcontact:proconos_eclr:*:*:*:*:*:*:*:*
More vulnerabilities in Phoenixcontact Multiprog
- CVE-2022-31801 — Critical (CVSS 9.8): An unauthenticated, remote attacker could upload malicious logic to the devices based on ProConOS/ProConOS eCLR in…
- CVE-2023-5592 — High (CVSS 7.5): Download of Code Without Integrity Check vulnerability in PHOENIX CONTACT MULTIPROG, PHOENIX CONTACT ProConOS eCLR…
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