CVE-2007-1834

highpriority · track · 32EPSS 0.019 · 80 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.92% (80th) EPSS

CVSS 7.8 · high

Is it mine?

10 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

Cisco Unified CallManager (CUCM) 5.0 before 5.0(4a)SU1 and Cisco Unified Presence Server (CUPS) 1.0 before 1.0(3) allow remote attackers to cause a denial of service (loss of voice services) via a flood of ICMP echo requests, aka bug ID CSCsf12698.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v2.06.6mediumAV:N/AC:L/Au:N/C:N/I:N/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USLLM-inferredCWE-400USLLM-inferred

affected products (10)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
cisco unified callmanager= 5.0nvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified callmanager= 5.0(1)nvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified callmanager= 5.0(2)nvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified callmanager= 5.0(3)nvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified callmanager= 5.0(3a)nvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified callmanager= 5.0(4)nvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified presence server= 1.0nvdUScpe:2.3:a:cisco:unified_presence_server:*:*:*:*:*:*:*:*
cisco unified presence server= 1.0(1)nvdUScpe:2.3:a:cisco:unified_presence_server:*:*:*:*:*:*:*:*
cisco unified presence server= 1.0(2)nvdUScpe:2.3:a:cisco:unified_presence_server:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2007-04-03modified 2026-06-16

references (12)

External citations — patches, advisories, analysis.

scry

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