How severe is CVE-2023-22274?

CVE-2023-22274 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-2023-22274 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22274?

CVE-2023-22274 affects Adobe Robohelp Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22274?

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-2023-22274 published?

CVE-2023-22274 was published on 2023-11-17 and last updated on 2026-06-17.

CVE-2023-22274

CVE-2023-22274 is a high-severity vulnerability in Adobe Robohelp Server 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-611.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Adobe Robohelp Server
Published: 2023-11-17
Last modified: 2026-06-17

Description

Adobe RoboHelp Server versions 11.4 and earlier are affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could lead to information disclosure by an unauthenticated attacker. Exploitation of this issue does not require user interaction.

Frequently asked questions

What is CVE-2023-22274?: Adobe RoboHelp Server versions 11.4 and earlier are affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could lead to information disclosure by an unauthenticated attacker. Exploitation of this issue does not require user interaction.
How severe is CVE-2023-22274?: CVE-2023-22274 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-2023-22274 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22274?: CVE-2023-22274 affects Adobe Robohelp Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22274?: 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-2023-22274 published?: CVE-2023-22274 was published on 2023-11-17 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/robohelp-server/apsb23-53.html

Affected products (1)

cpe:2.3:a:adobe:robohelp_server:*:*:*:*:*:*:*:*

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CVE-2018-1000838 — Critical (CVSS 10.0): autopsy version <= 4.9.0 contains a XML External Entity (XXE) vulnerability in CaseMetadata XML Parser that can result…
CVE-2018-1000837 — Critical (CVSS 10.0): UML Designer version <= 8.0.0 contains a XML External Entity (XXE) vulnerability in XML parser for plugins that can…
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