CVE-2015-8677

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-04-14 · updated 2026-06-17
Weakness: CWE-399

Description

Memory leak in Huawei S5300EI, S5300SI, S5310HI, and S6300EI Campus series switches with software V200R003C00 before V200R003SPH011 and V200R005C00 before V200R005SPH008; S2350EI and S5300LI Campus series switches with software V200R003C00 before V200R003SPH011, V200R005C00 before V200R005SPH008, and V200R006C00 before V200R006SPH002; S9300, S7700, and S9700 Campus series switches with software V200R003C00 before V200R003SPH011, V200R005C00 before V200R005SPH009, and V200R006C00 before V200R006SPH003; S5720HI and S5720EI Campus series switches with software V200R006C00 before V200R006SPH002; and S2300 and S3300 Campus series switches with software V100R006C05 before V100R006SPH022 allows remote authenticated users to cause a denial of service (memory consumption and device restart) by logging in and out of the (1) HTTPS or (2) SFTP server, related to SSL session information.

Affected products

Huawei S2300 Firmware: from v100r006c05 before v100r006sph022 — fixed in v100r006sph022
Huawei S2350Ei Firmware: from v200r003c00 before v200r003sph011; from v200r005c00 before v200r005sph008; from v200r006c00 before v200r006sph002 — fixed in v200r003sph011, v200r005sph008, v200r006sph002
Huawei Technologies Co., Ltd. S3300: from v100r006c05 before v100r006sph022 — fixed in v100r006sph022
Huawei S5300Ei Firmware: from v200r003c00 before v200r003sph011; from v200r005c00 before v200r005sph008 — fixed in v200r003sph011, v200r005sph008
Huawei S5300Li Firmware: from v200r003c00 before v200r003sph011; from v200r005c00 before v200r005sph008; from v200r006c00 before v200r006sph002 — fixed in v200r003sph011, v200r005sph008, v200r006sph002
Huawei S5300Si Firmware: from v200r001c00 before v200r001sph018; from v200r002c00 before v200r003sph011 — fixed in v200r001sph018, v200r003sph011
Huawei S5310Hi Firmware: from v200r001c00 before v200r001sph018; from v200r002c00 before v200r003sph011 — fixed in v200r001sph018, v200r003sph011
Huawei S5720Ei Firmware: from v200r006c00 before v200r006sph002 — fixed in v200r006sph002
Huawei S5720Hi Firmware: from v200r006c00 before v200r006sph002 — fixed in v200r006sph002
Huawei S6300Ei Firmware: from v200r001c00 before v200r001sph018; from v200r002c00 before v200r003sph011 — fixed in v200r001sph018, v200r003sph011
Huawei S7700 Firmware: from v200r003c00 before v200r003sph011; from v200r005c00 before v200r005sph009; from v200r006c00 before v200r006sph003 — fixed in v200r003sph011, v200r005sph009, v200r006sph003
Huawei S9300 Firmware: from v200r003c00 before v200r003sph011; from v200r005c00 before v200r005sph009; from v200r006c00 before v200r006sph003 — fixed in v200r003sph011, v200r005sph009, v200r006sph003
Huawei S9700 Firmware: from v200r003c00 before v200r003sph011; from v200r005c00 before v200r005sph009; from v200r006c00 before v200r006sph003 — fixed in v200r003sph011, v200r005sph009, v200r006sph003

How to fix

Upgrade to a fixed version: Huawei S2300 Firmware v100r006sph022; Huawei S2350Ei Firmware v200r003sph011, v200r005sph008, v200r006sph002; Huawei Technologies Co., Ltd. S3300 v100r006sph022; Huawei S5300Ei Firmware v200r003sph011, v200r005sph008; Huawei S5300Li Firmware v200r003sph011, v200r005sph008, v200r006sph002; Huawei S5300Si Firmware v200r001sph018, v200r003sph011; Huawei S5310Hi Firmware v200r001sph018, v200r003sph011; Huawei S5720Ei Firmware v200r006sph002; Huawei S5720Hi Firmware v200r006sph002; Huawei S6300Ei Firmware v200r001sph018, v200r003sph011; Huawei S7700 Firmware v200r003sph011, v200r005sph009, v200r006sph003; Huawei S9300 Firmware v200r003sph011, v200r005sph009, v200r006sph003. Check the vendor advisory for mitigations.

References

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