How severe is CVE-2012-5756?

CVE-2012-5756 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-5756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5756?

CVE-2012-5756 primarily affects Ibm Websphere Datapower Xc10 Appliance. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5756?

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

When was CVE-2012-5756 published?

CVE-2012-5756 was published on 2012-11-23 and last updated on 2026-06-16.

CVE-2012-5756

CVE-2012-5756 is a medium-severity vulnerability in Ibm Websphere Datapower Xc10 Appliance with a CVSS 2.0 base score of 4.3. 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Ibm Websphere Datapower Xc10 Appliance
Published: 2012-11-23
Last modified: 2026-06-16

Description

The IBM WebSphere DataPower XC10 Appliance 2.0.0.0 through 2.0.0.3 and 2.1.0.0 through 2.1.0.2, when a collective configuration is enabled, has a single secret key that is shared across different customers' installations, which allows remote attackers to spoof a container server by (1) sniffing the network to locate a cleartext transmission of this key or (2) leveraging knowledge of this key from another installation.

Frequently asked questions

What is CVE-2012-5756?: The IBM WebSphere DataPower XC10 Appliance 2.0.0.0 through 2.0.0.3 and 2.1.0.0 through 2.1.0.2, when a collective configuration is enabled, has a single secret key that is shared across different customers' installations, which allows remote attackers to spoof a container server by (1) sniffing the network to locate a cleartext transmission of this key or (2) leveraging knowledge of this key from another installation.
How severe is CVE-2012-5756?: CVE-2012-5756 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-5756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5756?: CVE-2012-5756 primarily affects Ibm Websphere Datapower Xc10 Appliance. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-5756 published?: CVE-2012-5756 was published on 2012-11-23 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:h:ibm:websphere_datapower_xc10_appliance:2.0.0.0:*:*:*:*:*:*:*
cpe:2.3:h:ibm:websphere_datapower_xc10_appliance:2.0.0.1:*:*:*:*:*:*:*
cpe:2.3:h:ibm:websphere_datapower_xc10_appliance:2.0.0.2:*:*:*:*:*:*:*
cpe:2.3:h:ibm:websphere_datapower_xc10_appliance:2.0.0.3:*:*:*:*:*:*:*
cpe:2.3:h:ibm:websphere_datapower_xc10_appliance:2.1.0.0:*:*:*:*:*:*:*
cpe:2.3:h:ibm:websphere_datapower_xc10_appliance:2.1.0.1:*:*:*:*:*:*:*
cpe:2.3:h:ibm:websphere_datapower_xc10_appliance:2.1.0.2:*:*:*:*:*:*:*

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