How severe is CVE-2023-4554?

CVE-2023-4554 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-4554 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4554?

CVE-2023-4554 affects Opentext Appbuilder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4554?

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

Does CVE-2023-4554 have an EU (EUVD) identifier?

Yes. CVE-2023-4554 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54409.

When was CVE-2023-4554 published?

CVE-2023-4554 was published on 2024-01-29 and last updated on 2026-06-17.

CVE-2023-4554

CVE-2023-4554 is a medium-severity vulnerability in Opentext Appbuilder with a CVSS 3.x base score of 4.9. 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-611.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-54409
Weakness: CWE-611
Affected product: Opentext Appbuilder
Published: 2024-01-29
Last modified: 2026-06-17

Description

Improper Restriction of XML External Entity Reference vulnerability in OpenText AppBuilder on Windows, Linux allows Server Side Request Forgery, Probe System Files. AppBuilder's XML processor is vulnerable to XML External Entity Processing (XXE), allowing an authenticated user to upload specially crafted XML files to induce server-side request forgery, disclose files local to the server that processes them. This issue affects AppBuilder: from 21.2 before 23.2.

Frequently asked questions

What is CVE-2023-4554?: Improper Restriction of XML External Entity Reference vulnerability in OpenText AppBuilder on Windows, Linux allows Server Side Request Forgery, Probe System Files. AppBuilder's XML processor is vulnerable to XML External Entity Processing (XXE), allowing an authenticated user to upload specially crafted XML files to induce server-side request forgery, disclose files local to the server that processes them. This issue affects AppBuilder: from 21.2 before 23.2.
How severe is CVE-2023-4554?: CVE-2023-4554 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-4554 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4554?: CVE-2023-4554 affects Opentext Appbuilder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4554?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-4554 have an EU (EUVD) identifier?: Yes. CVE-2023-4554 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54409.
When was CVE-2023-4554 published?: CVE-2023-4554 was published on 2024-01-29 and last updated on 2026-06-17.

References

https://support.opentext.com/csm?id=ot_kb_search&kb_category=61648712db61781068cfd6c4e296197b

Affected products (1)

cpe:2.3:a:opentext:appbuilder:*:*:*:*:*:*:*:*

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