Security readout for executives and security teams
Plain-English summary
This issue can let a remote attacker overload Cisco Emergency Responder by sending malformed UDP traffic to the CERPT port. The documented impact is denial of service through CPU consumption, not data theft or code execution. Because the affected system supports emergency response workflows, availability impact may matter more than the missing severity score suggests.
Executive priority
Prioritize if Cisco Emergency Responder is still used in production, especially where emergency calling workflows depend on it. The main risk is outage, not compromise. If affected versions are absent or isolated, urgency is lower.
Technical view
CVE-2012-1346 affects Cisco Emergency Responder 8.6 and 9.2. The vulnerability is associated with Cisco Bug ID CSCtx38369 and involves malformed UDP packets sent to the CERPT port, causing CPU consumption and denial of service. The source bundle provides no CVSS vector, CWE, exploit details, or confirmed fixed version.
Likely exposure
Exposure is likely limited to organizations running Cisco Emergency Responder 8.6 or 9.2 with the CERPT UDP port reachable from untrusted networks. Internet exposure is not stated in the sources and should be verified locally.
Exploitation context
The CVE record describes remote denial of service, but the bundle does not cite public exploitation, exploit availability, or CISA KEV inclusion. Treat exploitation status as unconfirmed from the provided evidence.
Researcher notes
The available evidence is sparse: affected versions, CERPT UDP vector, CPU-consumption DoS impact, and Cisco bug ID are known. No CVSS, CWE, patch version, packet format, or exploit confirmation is provided in the source bundle.
Mitigation direction
- Review Cisco guidance for Bug ID CSCtx38369 and affected CER versions.
- Move unsupported Cisco Emergency Responder deployments to vendor-supported versions.
- Restrict CERPT UDP access to trusted management or voice infrastructure networks.
- Monitor CER hosts for abnormal CPU spikes and malformed UDP traffic.
Validation and detection
- Inventory Cisco Emergency Responder versions and identify any 8.6 or 9.2 deployments.
- Confirm whether the CERPT UDP port is reachable from untrusted network segments.
- Review firewall rules, ACLs, and network exposure for CER systems.
- Check operational monitoring for unexplained CER CPU exhaustion events.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2012-1346 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisco.com/en/US/docs/voice_ip_comm/cer/8_7/english/release/notes/CER0_BK_CEE780BD_00_cisco-emergency-responder-87-release_chapter_00.htmlCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.