How severe is CVE-2023-34203?

CVE-2023-34203 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-34203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34203?

CVE-2023-34203 primarily affects Progress Openedge. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-34203?

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-2023-34203 published?

CVE-2023-34203 was published on 2023-06-23 and last updated on 2026-06-17.

CVE-2023-34203

CVE-2023-34203 is a high-severity vulnerability in Progress Openedge with a CVSS 3.x base score of 8.8. 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-74.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Progress Openedge
Published: 2023-06-23
Last modified: 2026-06-17

Description

In Progress OpenEdge OEM (OpenEdge Management) and OEE (OpenEdge Explorer) before 12.7, a remote user (who has any OEM or OEE role) could perform a URL injection attack to change identity or role membership, e.g., escalate to admin. This affects OpenEdge LTS before 11.7.16, 12.x before 12.2.12, and 12.3.x through 12.6.x before 12.7.

Frequently asked questions

What is CVE-2023-34203?: In Progress OpenEdge OEM (OpenEdge Management) and OEE (OpenEdge Explorer) before 12.7, a remote user (who has any OEM or OEE role) could perform a URL injection attack to change identity or role membership, e.g., escalate to admin. This affects OpenEdge LTS before 11.7.16, 12.x before 12.2.12, and 12.3.x through 12.6.x before 12.7.
How severe is CVE-2023-34203?: CVE-2023-34203 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-34203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34203?: CVE-2023-34203 primarily affects Progress Openedge. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-34203?: 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-2023-34203 published?: CVE-2023-34203 was published on 2023-06-23 and last updated on 2026-06-17.

References

https://www.progress.com/openedge

Affected products (3)

cpe:2.3:a:progress:openedge:*:*:*:*:lts:*:*:*
cpe:2.3:a:progress:openedge_explorer:*:*:*:*:*:*:*:*
cpe:2.3:a:progress:openedge_management:*:*:*:*:*:*:*:*

More vulnerabilities in Progress Openedge

CVE-2024-1403 — Critical (CVSS 10.0): In OpenEdge Authentication Gateway and AdminServer prior to 11.7.19, 12.2.14, 12.8.1 on all platforms supported by the…
CVE-2007-2417 — Critical (CVSS 10.0): Heap-based buffer overflow in _mprosrv.exe in Progress Software Progress 9.1E and OpenEdge 10.1x, as used by the RSA…
CVE-2015-9245 — Critical (CVSS 9.8): Insecure default configuration in Progress Software OpenEdge 10.2x and 11.x allows unauthenticated remote attackers to…
CVE-2023-40051 — Critical (CVSS 9.1): This issue affects Progress Application Server (PAS) for OpenEdge in versions 11.7 prior to 11.7.18, 12.2 prior to…
CVE-2024-7654 — High (CVSS 8.3): An ActiveMQ Discovery service was reachable by default from an OpenEdge Management installation when an OEE/OEM…
CVE-2024-7345 — High (CVSS 8.3): Local ABL Client bypass of the required PASOE security checks may allow an attacker to commit unauthorized code…

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