CVE-2023-3321
CVE-2023-3321 is a high-severity vulnerability in Abb Zenon with a CVSS 3.x base score of 7.0. 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-15.
Key facts
- Severity: High (CVSS 3.x base score 7.0)
- EPSS exploit prediction: 0% (24th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-15
- Affected product: Abb Zenon
- Published:
- Last modified:
Description
A vulnerability exists by allowing low-privileged users to read and update the data in various directories used by the Zenon system. An attacker could exploit the vulnerability by using specially crafted programs to exploit the vulnerabilities by allowing them to run on the zenon installed hosts. This issue affects ABB Ability™ zenon: from 11 build through 11 build 106404.
Frequently asked questions
- What is CVE-2023-3321?
- A vulnerability exists by allowing low-privileged users to read and update the data in various directories used by the Zenon system. An attacker could exploit the vulnerability by using specially crafted programs to exploit the vulnerabilities by allowing them to run on the zenon installed hosts. This issue affects ABB Ability™ zenon: from 11 build through 11 build 106404.
- How severe is CVE-2023-3321?
- CVE-2023-3321 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-3321 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-3321?
- CVE-2023-3321 affects Abb Zenon. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-3321?
- 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-2023-3321 published?
- CVE-2023-3321 was published on 2023-07-24 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:abb:zenon:*:*:*:*:*:*:*:*
More vulnerabilities in Abb Zenon
- CVE-2022-34838 — High (CVSS 8.1): Storing Passwords in a Recoverable Format vulnerability in ABB Zenon 8.20 allows an attacker who successfully exploit…
- CVE-2023-3322 — High (CVSS 7.0): A vulnerability exists by allowing low-privileged users to read and update the data in various directories used by the…
- CVE-2023-3324 — Medium (CVSS 6.3): A vulnerability exists by allowing low-privileged users to read and update the data in various directories used by the…
- CVE-2022-34837 — Medium (CVSS 6.2): Storing Passwords in a Recoverable Format vulnerability in ABB Zenon 8.20 allows an attacker who successfully exploit…
- CVE-2023-3323 — Medium (CVSS 5.9): A vulnerability exists by allowing low-privileged users to read and update the data in various directories used by the…
- CVE-2022-34836 — Medium (CVSS 5.9): Relative Path Traversal vulnerability in ABB Zenon 8.20 allows the user to access files on the Zenon system and user…
All CVEs affecting Abb Zenon →
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