How severe is CVE-2011-2583?

CVE-2011-2583 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-2583 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2583?

CVE-2011-2583 primarily affects Cisco Unified Contact Center Express. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2583?

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

When was CVE-2011-2583 published?

CVE-2011-2583 was published on 2012-05-02 and last updated on 2026-06-16.

CVE-2011-2583

CVE-2011-2583 is a medium-severity vulnerability in Cisco Unified Contact Center Express with a CVSS 2.0 base score of 5.0. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Unified Contact Center Express
Published: 2012-05-02
Last modified: 2026-06-16

Description

Cisco Unified Contact Center Express (aka CCX) 8.0 and 8.5 allows remote attackers to cause a denial of service via network traffic, as demonstrated by an SEC-BE-STABLE test case, aka Bug ID CSCth33834.

Frequently asked questions

What is CVE-2011-2583?: Cisco Unified Contact Center Express (aka CCX) 8.0 and 8.5 allows remote attackers to cause a denial of service via network traffic, as demonstrated by an SEC-BE-STABLE test case, aka Bug ID CSCth33834.
How severe is CVE-2011-2583?: CVE-2011-2583 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-2583 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2583?: CVE-2011-2583 primarily affects Cisco Unified Contact Center Express. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2583?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2583 published?: CVE-2011-2583 was published on 2012-05-02 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:cisco:unified_contact_center_express:8.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:8.5:*:*:*:*:*:*:*

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