CVE-2015-8331 Auth bypass in n/a

High 7.4 Published Updated

Remote attackers can hijack sessions via replay attacks due to improper session invalidation in Huawei VCN500 OMU.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2015-8331?

CVE-2015-8331 is a high-severity authentication bypass vulnerability in n/a, published on 11 Jan 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Operation and Maintenance Unit (OMU) in Huawei VCN500 with software before V100R002C00SPC200 does not properly invalidate the session ID when an "abnormal exit" occurs, which allows remote attackers to conduct replay attacks via the session ID.

Weakness: CWE-20

Which versions are affected by CVE-2015-8331?

It affects 1 product.

Products include Huawei Vcn500.

How do I fix CVE-2015-8331?

No fix has been published for CVE-2015-8331 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2015-8331 being exploited?

There is no known exploitation of CVE-2015-8331 in the wild and no public exploit code.

Sources

Also known as GHSA-vcg6-mhx4-79p7.

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