CVE-2015-4200 json
Memory leak in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remot…
published 2015-06-23 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-4223
- cvss
- 7.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.4%
- EPSS 3.4% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
Memory leak in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (memory consumption) by triggering an error during CPE negotiation, aka Bug ID CSCug00885.
Exploit prediction
3.43% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
- Technology feeds
References
-
tools.cisco.com
/security/center/viewAlert.x?alertId=39424
vendor-advisory
-
securitytracker.com
/id/1032692
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/75254
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2015-4200
- NVD CVE-2015-4200
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.