How severe is CVE-2023-43018?

CVE-2023-43018 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-43018 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43018?

CVE-2023-43018 primarily affects Ibm Cics Tx. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-43018?

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

When was CVE-2023-43018 published?

CVE-2023-43018 was published on 2023-11-03 and last updated on 2026-06-17.

CVE-2023-43018

CVE-2023-43018 is a medium-severity vulnerability in Ibm Cics Tx with a CVSS 3.x base score of 5.9. 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-269.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Ibm Cics Tx
Published: 2023-11-03
Last modified: 2026-06-17

Description

IBM CICS TX Standard 11.1 and Advanced 10.1, 11.1 performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses. IBM X-Force ID: 266163.

Frequently asked questions

What is CVE-2023-43018?: IBM CICS TX Standard 11.1 and Advanced 10.1, 11.1 performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses. IBM X-Force ID: 266163.
How severe is CVE-2023-43018?: CVE-2023-43018 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-43018 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43018?: CVE-2023-43018 primarily affects Ibm Cics Tx. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-43018?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-43018 published?: CVE-2023-43018 was published on 2023-11-03 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:ibm:cics_tx:10.1:*:*:*:advanced:*:*:*
cpe:2.3:a:ibm:cics_tx:11.1:*:*:*:advanced:*:*:*
cpe:2.3:a:ibm:cics_tx:11.1:*:*:*:standard:*:*:*

More vulnerabilities in Ibm Cics Tx

CVE-2022-31767 — Critical (CVSS 9.8): IBM CICS TX Standard and Advanced 11.1 could allow a remote attacker to execute arbitrary commands on the system by…
CVE-2022-34161 — High (CVSS 8.8): IBM CICS TX 11.1 is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and…
CVE-2025-1331 — High (CVSS 7.8): IBM CICS TX Standard 11.1 and IBM CICS TX Advanced 10.1 and 11.1 could allow a local user to execute arbitrary code on…
CVE-2025-1330 — High (CVSS 7.8): IBM CICS TX Standard 11.1 and IBM CICS TX Advanced 10.1 and 11.1 could allow a local user to execute arbitrary code…
CVE-2025-1329 — High (CVSS 7.8): IBM CICS TX Standard 11.1 and IBM CICS TX Advanced 10.1 and 11.1 could allow a local user to execute arbitrary code on…
CVE-2023-33850 — High (CVSS 7.5): IBM GSKit-Crypto could allow a remote attacker to obtain sensitive information, caused by a timing-based side channel…

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