84503 : Cisco IOS SSL VPN Portal Page Refresh Handling Remote DoS
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Timeline

Disclosure Date
2012-05-25

Description

Cisco IOS contains a flaw that may allow a remote denial of service. The issue is triggered when refreshing the SSL VPN portal page via a clientless SSL VPN. This may allow a remote attacker to cause a loss of availability for the device.

Classification

Location: Remote / Network Access
Impact: Loss of Availability
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified
OSVDB: Authentication Required

Solution

Upgrade to version 15.1(2)T5 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Cisco Systems, Inc.
Cisco IOS
15.1
15.2

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 3.5
Source: nvd.nist.gov | Generated: 2012-08-07 | Disagree?

Access_vector_2 Access_complexity_1 Authentication_1 Confidentiality_impact_0 Integrity_impact_0 Availability_impact_1

Comments

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