Improper input validation in Huawei Vcn500

CVE-2015-8331

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2015-8331: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-8331?
CVE-2015-8331 is a high-severity vulnerability in Huawei Vcn500, classified under Improper Input Validation. CVSS score: 7.4/10. Published 2016-01-11.
How severe is CVE-2015-8331?
High severity. CVSS v3 base score is 7.4 out of 10.
Is CVE-2015-8331 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.