How severe is CVE-2015-2800?

CVE-2015-2800 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2015-2800 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-2800?

CVE-2015-2800 primarily affects Huawei S5700 Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-2800?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-2800 published?

CVE-2015-2800 was published on 2017-06-08 and last updated on 2026-06-17.

CVE-2015-2800

CVE-2015-2800 is a high-severity vulnerability in Huawei S5700 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Huawei S5700 Firmware
Published: 2017-06-08
Last modified: 2026-06-17

Description

The user authentication module in Huawei Campus switches S5700, S5300, S6300, and S6700 with software before V200R001SPH012 and S7700, S9300, and S9700 with software before V200R001SPH015 allows remote attackers to cause a denial of service (device restart) via vectors involving authentication, which trigger an array access violation.

Frequently asked questions

What is CVE-2015-2800?: The user authentication module in Huawei Campus switches S5700, S5300, S6300, and S6700 with software before V200R001SPH012 and S7700, S9300, and S9700 with software before V200R001SPH015 allows remote attackers to cause a denial of service (device restart) via vectors involving authentication, which trigger an array access violation.
How severe is CVE-2015-2800?: CVE-2015-2800 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2015-2800 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2800?: CVE-2015-2800 primarily affects Huawei S5700 Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-2800?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-2800 published?: CVE-2015-2800 was published on 2017-06-08 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:o:huawei:s5700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s5300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s6300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s6700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s7700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s9300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s9700_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Huawei S5700 Firmware

CVE-2019-5254 — High (CVSS 8.6): Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S5700;SVN5600;SVN5800;SVN5800-C;SeMG9811;…
CVE-2016-4087 — High (CVSS 8.1): Huawei S12700 switches with software before V200R008C00SPC500 and S5700 switches with software before V200R005SPH010,…
CVE-2021-37129 — High (CVSS 7.5): There is an out of bounds write vulnerability in some Huawei products. The vulnerability is caused by a function of a…
CVE-2021-22357 — High (CVSS 7.5): There is a denial of service vulnerability in Huawei products. A module cannot deal with specific messages due to…
CVE-2021-22359 — High (CVSS 7.5): There is a denial of service vulnerability in the verisions V200R005C00SPC500 of S5700 and V200R005C00SPC500 of S6700.…
CVE-2019-5304 — High (CVSS 7.5): Some Huawei products have a buffer error vulnerability. An unauthenticated, remote attacker could send specific MPLS…

All CVEs affecting Huawei S5700 Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-101077 — Critical (CVSS 10.0): A flaw has been found in Netcore NR289-GE 1.4.5102. This impacts the function process_request of the component boa_temp…
CVE-2026-100886 — Critical (CVSS 10.0): A vulnerability was identified in Seetong T8108, T8108P, T8116 and T8232 4.6.1.4-build202604241011. The affected…
CVE-2026-77244 — Critical (CVSS 10.0): MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0,…
CVE-2026-94493 — Critical (CVSS 10.0): A vulnerability was detected in Gigatech PDV5701 1.0.31_240305_112640. This issue affects some unknown processing of…
CVE-2026-83099 — Critical (CVSS 10.0): Vulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode).…
CVE-2026-83059 — Critical (CVSS 10.0): Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).…

Browse all CWE-287 (Improper Authentication) vulnerabilities →