How severe is CVE-2022-34836?

CVE-2022-34836 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2022-34836 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34836?

CVE-2022-34836 affects Abb Zenon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-34836?

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

When was CVE-2022-34836 published?

CVE-2022-34836 was published on 2022-08-24 and last updated on 2026-06-17.

CVE-2022-34836

CVE-2022-34836 is a medium-severity vulnerability in Abb Zenon with a CVSS 3.x base score of 5.9. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Abb Zenon
Published: 2022-08-24
Last modified: 2026-06-17

Description

Relative Path Traversal vulnerability in ABB Zenon 8.20 allows the user to access files on the Zenon system and user also can add own log messages and e.g., flood the log entries. An attacker who successfully exploit the vulnerability could access the Zenon runtime activities such as the start and stop of various activity and the last error code etc.

Frequently asked questions

What is CVE-2022-34836?: Relative Path Traversal vulnerability in ABB Zenon 8.20 allows the user to access files on the Zenon system and user also can add own log messages and e.g., flood the log entries. An attacker who successfully exploit the vulnerability could access the Zenon runtime activities such as the start and stop of various activity and the last error code etc.
How severe is CVE-2022-34836?: CVE-2022-34836 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2022-34836 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34836?: CVE-2022-34836 affects Abb Zenon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-34836?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-34836 published?: CVE-2022-34836 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-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-2023-3321 — 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…

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