The Packet Data Network Gateway (aka PGW) component on Cisco ASR 5000 devices with…
Priority LOW 27CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The Packet Data Network Gateway (aka PGW) component on Cisco ASR 5000 devices with software 15.0(912), 15.0(935), and 15.0(938) allows remote attackers to cause a denial of service (Session Manager outage) via malformed fields in an IP packet, aka Bug ID CSCut38476.
Why it matters now
EPSS 0.01973 80th 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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:asr_5000_series_software:15.0\(912\):*:*:*:*:*:*:* | 15.0(912) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:asr_5000_series_software:15.0\(935\):*:*:*:*:*:*:* | 15.0(935) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:asr_5000_series_software:15.0\(938\):*:*:*:*:*:*:* | 15.0(938) | Vulnerable | Cisco |
- cpe:2.3:a:cisco:asr_5000_series_software:15.0\(912\):*:*:*:*:*:*:* Versions 15.0(912) Vulnerable ·Cisco
- cpe:2.3:a:cisco:asr_5000_series_software:15.0\(935\):*:*:*:*:*:*:* Versions 15.0(935) Vulnerable ·Cisco
- cpe:2.3:a:cisco:asr_5000_series_software:15.0\(938\):*:*:*:*:*:*:* Versions 15.0(938) Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-4273
- 2026-10-03 Alias added: GHSA-pvwc-h4wp-xc77
References
More Cisco Asr 5000 Series Software vulnerabilities
- TI-2017-02916 Access control flaw in Cisco StarOS CVSS 3.0HIGH 8.8
- TI-2017-04371 Memory corruption in Cisco ASR 5000 Series Aggregation Services Routers CVSS 3.0HIGH 8.6
- TI-2016-07532 Memory corruption in Cisco ASR 5000 CVSS 3.0HIGH 7.5
- TI-2016-05548 Resource management flaw in Cisco Aggregation Services Router 5000 Series Switch CVSS 3.0HIGH 7.5
- TI-2016-01226 The SSH implementation in Cisco StarOS before 19.3.M0.62771 and 20.x before 20.0.M0.62768… CVSS 3.0HIGH 7.5
- TI-2016-05547 Resource management flaw in Cisco StarOS 20.0.0 through 21.0.M0.64246 CVSS 3.0HIGH 7.5
Sources
- CVE-2015-4273 · CVE Program
- CVE-2015-4273 · NVD
- FIRST EPSS
- GHSA-pvwc-h4wp-xc77 · GitHub Advisory Database · CC BY 4.0
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