CVE-2011-4016 json
The PPP implementation in Cisco IOS 12.2 and 15.0 through 15.2, when Point-to-Point Termination and Aggregation (PTA) and L2TP are used, al…
published 2012-05-02 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3969
- cvss
- 5.4
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
The PPP implementation in Cisco IOS 12.2 and 15.0 through 15.2, when Point-to-Point Termination and Aggregation (PTA) and L2TP are used, allows remote attackers to cause a denial of service (device crash) via crafted network traffic, aka Bug ID CSCtf71673.
Exploit prediction
1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.4 | AV:N/AC:H/Au:N/C:N/I:N/A:C |
Classification
- Weakness
- Technology feeds
References
-
cisco.com
/en/US/docs/ios/15_1/release/notes/151-2TCAVS.html
release-notes, vendor-advisory
-
securitytracker.com
/id?1027005
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2011-4016
- NVD CVE-2011-4016
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.