How severe is CVE-2023-26101?

CVE-2023-26101 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-26101 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26101?

CVE-2023-26101 affects Progress Flowmon Packet Investigator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26101?

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-2023-26101 published?

CVE-2023-26101 was published on 2023-04-21 and last updated on 2026-06-17.

CVE-2023-26101

CVE-2023-26101 is a high-severity vulnerability in Progress Flowmon Packet Investigator with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Progress Flowmon Packet Investigator
Published: 2023-04-21
Last modified: 2026-06-17

Description

In Progress Flowmon Packet Investigator before 12.1.0, a Flowmon user with access to Flowmon Packet Investigator could leverage a path-traversal vulnerability to retrieve files on the Flowmon appliance's local filesystem.

Frequently asked questions

What is CVE-2023-26101?: In Progress Flowmon Packet Investigator before 12.1.0, a Flowmon user with access to Flowmon Packet Investigator could leverage a path-traversal vulnerability to retrieve files on the Flowmon appliance's local filesystem.
How severe is CVE-2023-26101?: CVE-2023-26101 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-26101 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26101?: CVE-2023-26101 affects Progress Flowmon Packet Investigator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26101?: 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-2023-26101 published?: CVE-2023-26101 was published on 2023-04-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:progress:flowmon_packet_investigator:*:*:*:*:*:*:*:*

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