CVE-2020-1870

CVE-2020-1870 is a high-severity vulnerability in Huawei Cloudengine 12800 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-772.

Key facts

• Severity: High (CVSS 3.x base score 7.5)
• CVSS v2: 5.0
• EPSS exploit prediction: 1% (50th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-772
• Affected product: Huawei Cloudengine 12800 Firmware
• Published: 2020-05-29
• Last modified: 2026-06-17

Description

There is a denial of service vulnerability in some Huawei products. Due to improper memory management, memory leakage may occur in some special cases. Attackers can perform a series of operations to exploit this vulnerability. Successful exploit may cause a denial of service. Affected product versions include: CloudEngine 12800 versions V200R019C00SPC800; CloudEngine 5800 versions V200R019C00SPC800; CloudEngine 6800 versions V200R005C20SPC800, V200R019C00SPC800; CloudEngine 7800 versions V200R019C00SPC800; NE40E versions V800R011C00SPC200, V800R011C00SPC300, V800R011C10SPC100; NE40E-F versions V800R011C00SPC200, V800R011C10SPC100; NE40E-M versions V800R011C00SPC200, V800R011C10SPC100.

Frequently asked questions

What is CVE-2020-1870?

There is a denial of service vulnerability in some Huawei products. Due to improper memory management, memory leakage may occur in some special cases. Attackers can perform a series of operations to exploit this vulnerability. Successful exploit may cause a denial of service. Affected product versions include: CloudEngine 12800 versions V200R019C00SPC800; CloudEngine 5800 versions V200R019C00SPC800; CloudEngine 6800 versions V200R005C20SPC800, V200R019C00SPC800; CloudEngine 7800 versions V200R019C00SPC800; NE40E versions V800R011C00SPC200, V800R011C00SPC300, V800R011C10SPC100; NE40E-F versions V800R011C00SPC200, V800R011C10SPC100; NE40E-M versions V800R011C00SPC200, V800R011C10SPC100.

How severe is CVE-2020-1870?

CVE-2020-1870 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-2020-1870 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1870?

CVE-2020-1870 primarily affects Huawei Cloudengine 12800 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-1870?

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-2020-1870 published?

CVE-2020-1870 was published on 2020-05-29 and last updated on 2026-06-17.

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-01-dos-en

Affected products (5)

• cpe:2.3:o:huawei:cloudengine_12800_firmware:v200r019c00:*:*:*:*:*:*:*
• cpe:2.3:o:huawei:cloudengine_12800_firmware:v200r019c00spc600:*:*:*:*:*:*:*
• cpe:2.3:o:huawei:cloudengine_12800_firmware:v200r019c00spc800:*:*:*:*:*:*:*
• cpe:2.3:o:huawei:cloudengine_12800_firmware:v200r019c10:*:*:*:*:*:*:*
• cpe:2.3:o:huawei:cloudengine_6800_firmware:v200r019c00spc800:*:*:*:*:*:*:*

More vulnerabilities in Huawei Cloudengine 12800 Firmware

• CVE-2017-17301 — Critical (CVSS 9.8): Huawei AR120-S V200R005C32, V200R006C10, V200R007C00, V200R008C20, AR1200 V200R005C20, V200R005C32, V200R006C10,…
• CVE-2016-6178 — Critical (CVSS 9.8): Huawei NE40E and CX600 devices with software before V800R007SPH017; PTN 6900-2-M8 devices with software before…
• CVE-2020-9207 — High (CVSS 7.8): There is an improper authentication vulnerability in some verisons of Huawei CloudEngine product. A module does not…
• CVE-2021-40008 — High (CVSS 7.5): There is a memory leak vulnerability in CloudEngine 12800 V200R019C00SPC800, CloudEngine 5800 V200R019C00SPC800,…
• CVE-2021-22328 — High (CVSS 7.5): There is a denial of service vulnerability in some huawei products. In specific scenarios, due to the improper handling…
• CVE-2021-22332 — High (CVSS 7.5): There is a pointer double free vulnerability in some versions of CloudEngine 5800, CloudEngine 6800, CloudEngine 7800…

All CVEs affecting Huawei Cloudengine 12800 Firmware →

Other CWE-772 vulnerabilities

• CVE-2020-12134 — Critical (CVSS 9.8): Nanometrics Centaur through 4.3.23 and TitanSMA through 4.2.20 mishandle access control for the syslog log.
• CVE-2017-15032 — Critical (CVSS 9.8): ImageMagick version 7.0.7-2 contains a memory leak in ReadYCBCRImage in coders/ycbcr.c.
• CVE-2017-14138 — Critical (CVSS 9.8): ImageMagick 7.0.6-5 has a memory leak vulnerability in ReadWEBPImage in coders/webp.c because memory is not freed in…
• CVE-2017-11641 — Critical (CVSS 9.8): GraphicsMagick 1.3.26 has a Memory Leak in the PersistCache function in magick/pixel_cache.c during writing of Magick…
• CVE-2020-14339 — High (CVSS 8.8): A flaw was found in libvirt, where it leaked a file descriptor for `/dev/mapper/control` into the QEMU process. This…
• CVE-2018-19760 — High (CVSS 8.8): cfg_init in confuse.c in libConfuse 3.2.2 has a memory leak.

Browse all CWE-772 vulnerabilities →