How severe is CVE-2023-34257?

CVE-2023-34257 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-2023-34257 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34257?

CVE-2023-34257 affects Bmc Patrol Agent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34257?

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-2023-34257 published?

CVE-2023-34257 was published on 2023-05-31 and last updated on 2026-06-17.

CVE-2023-34257

CVE-2023-34257 is a critical-severity vulnerability in Bmc Patrol Agent 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Bmc Patrol Agent
Published: 2023-05-31
Last modified: 2026-06-17

Description

An issue was discovered in BMC Patrol through 23.1.00. The agent's configuration can be remotely modified (and, by default, authentication is not required). Some configuration fields related to SNMP (e.g., masterAgentName or masterAgentStartLine) result in code execution when the agent is restarted. NOTE: the vendor's perspective is "These are not vulnerabilities for us as we have provided the option to implement the authentication."

Frequently asked questions

What is CVE-2023-34257?: An issue was discovered in BMC Patrol through 23.1.00. The agent's configuration can be remotely modified (and, by default, authentication is not required). Some configuration fields related to SNMP (e.g., masterAgentName or masterAgentStartLine) result in code execution when the agent is restarted. NOTE: the vendor's perspective is "These are not vulnerabilities for us as we have provided the option to implement the authentication."
How severe is CVE-2023-34257?: CVE-2023-34257 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-2023-34257 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34257?: CVE-2023-34257 affects Bmc Patrol Agent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34257?: 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-2023-34257 published?: CVE-2023-34257 was published on 2023-05-31 and last updated on 2026-06-17.

References

https://www.errno.fr/PatrolAdvisory.html#remote-code-excution-using-patrols-pconfig

Affected products (1)

cpe:2.3:a:bmc:patrol_agent:*:*:*:*:*:*:*:*

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