The DHCPv6 server in Cisco IOS on ASR 9000 devices with software 5.2.0 Base allows remote…
Priority LOW 27CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
The DHCPv6 server in Cisco IOS on ASR 9000 devices with software 5.2.0 Base allows remote attackers to cause a denial of service (process reset) via crafted packets, aka Bug ID CSCun72171.
Why it matters now
EPSS 0.02435 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:ios_xr:5.2.0_base:*:*:*:*:*:*:* | 5.2.0_base | Vulnerable | Cisco |
| cpe:2.3:h:cisco:asr_9001:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Cisco |
| cpe:2.3:h:cisco:asr_9006:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Cisco |
| cpe:2.3:h:cisco:asr_9010:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Cisco |
| cpe:2.3:h:cisco:asr_9904:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Cisco |
| cpe:2.3:h:cisco:asr_9912:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Cisco |
| cpe:2.3:h:cisco:asr_9922:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Cisco |
- cpe:2.3:o:cisco:ios_xr:5.2.0_base:*:*:*:*:*:*:* Versions 5.2.0_base Vulnerable ·Cisco
- cpe:2.3:h:cisco:asr_9001:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco
- cpe:2.3:h:cisco:asr_9006:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco
- cpe:2.3:h:cisco:asr_9010:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco
- cpe:2.3:h:cisco:asr_9904:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco
- cpe:2.3:h:cisco:asr_9912:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco
- cpe:2.3:h:cisco:asr_9922:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-6301
- 2026-10-03 Alias added: GHSA-mjp9-4wjh-f55v
References
More Cisco Asr 9001 vulnerabilities
- TI-2014-02729 Cisco IOS XR on ASR 9000 devices does not properly use compression for port-range and… CVSS 2.0HIGH 7.5
- TI-2014-01722 Cisco IOS XR 4.1.2 through 5.1.1 on ASR 9000 devices, when a Trident-based line card is… CVSS 2.0HIGH 7.1
- TI-2014-02643 Cisco IOS XR on Trident line cards in ASR 9000 devices lacks a static punt policer, which… CVSS 2.0MEDIUM 6.4
- TI-2014-02657 Cisco IOS XR 4.3(.2) and earlier on ASR 9000 devices does not properly perform NetFlow… CVSS 2.0MEDIUM 6.1
- TI-2014-02656 Cisco IOS XR 4.3.4 and earlier on ASR 9000 devices, when bridge-group virtual interface… CVSS 2.0MEDIUM 5.7
- TI-2015-00645 Cisco ASR 9000 devices with software 5.3.0.BASE do not recognize that certain ACL entries… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2015-6301 · CVE Program
- CVE-2015-6301 · NVD
- FIRST EPSS
- GHSA-mjp9-4wjh-f55v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences