CVE-2023-38362: IBM CICS TX Advanced 10.1 could disclose sensitive information to a remote attacker due to observable discrepa

Routine

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2023-38362 is a medium-severity flaw (CVSS 5.3) affecting cics tx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM CICS TX Advanced 10.1 could disclose sensitive information to a remote attacker due to observable discrepancy in HTTP responses. IBM X-Force ID: 260814.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-204, CWE-203
Published	2024-03-04
Last modified	2026-06-17

Publisher (CNA): IBM Corporation · Vendor: ibm

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-03-04 16:15 UTCPublished CVE record published
2026-06-17 06:09 UTCUpdated Record last modified

ibm cics tx DOWNGRADE

Affected: 10.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.1

1. Check installed version

apt-cache policy cics-tx || rpm -q cics-tx || cics-tx --version

2. No fixed release: DOWNGRADE to a release before 10.1 (Debian / Ubuntu)

apt-cache madison cics-tx sudo apt install cics-tx=<VERSION_BEFORE_10.1> sudo apt-mark hold cics-tx

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cics-tx sudo dnf downgrade cics-tx-<VERSION_BEFORE_10.1> sudo dnf versionlock add cics-tx

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-38362?

cics tx: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-38362 being exploited?

CVE-2023-38362 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-38362 affect?

CVE-2023-38362 affects cics tx. Severity is medium (CVSS 5.3). IBM CICS TX Advanced 10.1 could disclose sensitive information to a remote attacker due to observable discrepancy in HTTP responses. IBM X-Force ID: 260814.

How urgent is CVE-2023-38362?

Priority 34/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-1331 HIGH 7.8 DOWNGRADE IBM CICS TX Standard 11.1 and IBM CICS TX Advanced 10.1 and 11.1 could allow a local user to execute arbitrary
CVE-2025-1330 HIGH 7.8 DOWNGRADE IBM CICS TX Standard 11.1 and IBM CICS TX Advanced 10.1 and 11.1 could allow a local user to execute arbitrar
CVE-2025-1329 HIGH 7.8 DOWNGRADE IBM CICS TX Standard 11.1 and IBM CICS TX Advanced 10.1 and 11.1 could allow a local user to execute arbitrary
CVE-2024-41746 HIGH 7.2 DOWNGRADE IBM CICS TX Advanced 10.1, 11.1, and Standard 11.1 is vulnerable to stored cross-site scripting
CVE-2024-41745 MEDIUM 6.1 DOWNGRADE IBM CICS TX Standard is vulnerable to cross-site scripting

References

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