How severe is CVE-2023-33849?

CVE-2023-33849 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-33849 being actively exploited?

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

What products are affected by CVE-2023-33849?

CVE-2023-33849 primarily affects Ibm Cics Tx. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-33849?

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

When was CVE-2023-33849 published?

CVE-2023-33849 was published on 2023-06-07 and last updated on 2026-06-17.

CVE-2023-33849

CVE-2023-33849 is a low-severity vulnerability in Ibm Cics Tx with a CVSS 3.x base score of 3.7. 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-311.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Ibm Cics Tx
Published: 2023-06-07
Last modified: 2026-06-17

Description

IBM TXSeries for Multiplatforms 8.1, 8.2, 9.1, CICS TX Standard, 11.1, CICS TX Advanced 10.1, and 11.1 could transmit sensitive information in query parameters that could be intercepted using man in the middle techniques. IBM X-Force ID: 257105.

Frequently asked questions

What is CVE-2023-33849?: IBM TXSeries for Multiplatforms 8.1, 8.2, 9.1, CICS TX Standard, 11.1, CICS TX Advanced 10.1, and 11.1 could transmit sensitive information in query parameters that could be intercepted using man in the middle techniques. IBM X-Force ID: 257105.
How severe is CVE-2023-33849?: CVE-2023-33849 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-33849 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33849?: CVE-2023-33849 primarily affects Ibm Cics Tx. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-33849?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-33849 published?: CVE-2023-33849 was published on 2023-06-07 and last updated on 2026-06-17.

References

Affected products (6)

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:*:*:*
cpe:2.3:a:ibm:txseries_for_multiplatforms:8.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:txseries_for_multiplatforms:9.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:txseries_for_multiplatforms:8.2:*:*:*:*:*:*:*

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