How severe is CVE-2022-34838?

CVE-2022-34838 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-34838 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34838?

CVE-2022-34838 affects Abb Zenon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-34838?

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-2022-34838 published?

CVE-2022-34838 was published on 2022-08-24 and last updated on 2026-06-17.

CVE-2022-34838

CVE-2022-34838 is a high-severity vulnerability in Abb Zenon with a CVSS 3.x base score of 8.1. 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-522.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Abb Zenon
Published: 2022-08-24
Last modified: 2026-06-17

Description

Storing Passwords in a Recoverable Format vulnerability in ABB Zenon 8.20 allows an attacker who successfully exploit the vulnerability may add or alter data points and corresponding attributes. Once such engineering data is used the data visualization will be altered for the end user.

Frequently asked questions

What is CVE-2022-34838?: Storing Passwords in a Recoverable Format vulnerability in ABB Zenon 8.20 allows an attacker who successfully exploit the vulnerability may add or alter data points and corresponding attributes. Once such engineering data is used the data visualization will be altered for the end user.
How severe is CVE-2022-34838?: CVE-2022-34838 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-34838 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34838?: CVE-2022-34838 affects Abb Zenon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-34838?: 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-2022-34838 published?: CVE-2022-34838 was published on 2022-08-24 and last updated on 2026-06-17.

References

https://search.abb.com/library/Download.aspx?DocumentID=2NGA001479&LanguageCode=en&DocumentPartId=&Action=Launch

Affected products (1)

cpe:2.3:a:abb:zenon:*:*:*:*:*:*:*:*

More vulnerabilities in Abb Zenon

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-2023-3321 — 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…

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