CVE-2017-3865: Medium severity Cisco StarOS vulnerability

Published Jul 4, 2017
·
Updated

A vulnerability in the IPsec component of Cisco StarOS for Cisco ASR 5000 Series Routers could allow an unauthenticated, remote attacker to terminate all active IPsec VPN tunnels and prevent new tunnels from establishing, resulting in a denial of service (DoS) condition. Affected Products: ASR 5000 Series Routers, Virtualized Packet Core (VPC) Software. More Information: CSCvc21129. Known Affected Releases: 21.1.0 21.1.M0.65601 21.1.v0. Known Fixed Releases: 21.2.A0.65754 21.1.b0.66164 21.1.V0.66014 21.1.R0.65759 21.1.M0.65749 21.1.0.66030 21.1.0.

Affected Software

3 affected components
Cisco StarOS=21.0.0
Cisco StarOS=21.0_m0.64246
Cisco StarOS=21.0_m0.64702

Event History

Jul 4, 2017
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2017-3865?

CVE-2017-3865 has a high severity rating, indicating a significant impact on the availability of affected systems.

2

How do I fix CVE-2017-3865?

To fix CVE-2017-3865, users should upgrade to the patched versions of Cisco StarOS provided by Cisco.

3

What type of attack does CVE-2017-3865 enable?

CVE-2017-3865 enables denial of service (DoS) attacks by terminating active IPsec VPN tunnels.

4

Which products are affected by CVE-2017-3865?

CVE-2017-3865 affects Cisco ASR 5000 Series Routers running specific versions of Cisco StarOS.

5

Can CVE-2017-3865 be exploited remotely?

Yes, an unauthenticated remote attacker can exploit CVE-2017-3865.

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