How severe is CVE-2023-38363?

CVE-2023-38363 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-38363 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38363?

CVE-2023-38363 affects Ibm Cics Tx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38363?

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

When was CVE-2023-38363 published?

CVE-2023-38363 was published on 2023-11-13 and last updated on 2026-06-17.

CVE-2023-38363

CVE-2023-38363 is a medium-severity vulnerability in Ibm Cics Tx with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Cics Tx
Published: 2023-11-13
Last modified: 2026-06-17

Description

IBM CICS TX Advanced 10.1 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic. IBM X-Force ID: 260818.

Frequently asked questions

What is CVE-2023-38363?: IBM CICS TX Advanced 10.1 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic. IBM X-Force ID: 260818.
How severe is CVE-2023-38363?: CVE-2023-38363 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-38363 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38363?: CVE-2023-38363 affects Ibm Cics Tx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38363?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-38363 published?: CVE-2023-38363 was published on 2023-11-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:cics_tx:10.1:*:*:*:advanced:*:*:*

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