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CVE-2023-39423

CRITICALCVSS 9.1/10EPSS 0.47%

Last modified

CVE-2023-39423 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. The RDPData.dll file exposes the /irmdata/api/common endpoint that handles session IDs,  among other features. By using a UNION SQL operator, an attacker can leak the sessions table, obtain the currently valid sessions and impersonate a currently logged-in user. . EPSS estimates a 0.47% chance of exploitation in the next 30 days.

Description

The RDPData.dll file exposes the /irmdata/api/common endpoint that handles session IDs,  among other features. By using a UNION SQL operator, an attacker can leak the sessions table, obtain the currently valid sessions and impersonate a currently logged-in user.

Metrics

CVSS 3.1
9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability
0.47%

37.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ResortdataInternet Reservation Module Next Generation5.3.2.15

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-39423?
The RDPData.dll file exposes the /irmdata/api/common endpoint that handles session IDs,  among other features. By using a UNION SQL operator, an attacker can leak the sessions table, obtain the currently valid sessions and impersonate a currently logged-in user.
How severe is CVE-2023-39423?
CVE-2023-39423 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.
How do I fix CVE-2023-39423?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-39423?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST