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

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HIGH

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

Published Jan 11, 2016

7.4

HIGH

CVSS 3.0

EPSS 0.84%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.84% 0.00843

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00843

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.84% (0.00843)	56.40th	v5 (v2026.06.15)
Jun 15, 2026	0.84% (0.00843)	52.98th	v5 (v2026.06.15)
Mar 17, 2025	0.13% (0.00133)	30.48th	v4 (v2025.03.14)
Dec 12, 2024	0.27% (0.00268)	68.56th	v3 (v2023.03.01)
Feb 8, 2024	0.27% (0.00268)	66.77th	v3 (v2023.03.01)
Mar 7, 2023	0.27% (0.00268)	62.49th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (1)

CWE-20

Improper Input Validation

References (1)

http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-463067.htm
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-463067.htm		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jan 11, 2016

Updated Aug 6, 2024

Reserved Nov 24, 2015

Link CVE-2015-8331

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-8331

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-8331