CVE-2020-1855

Name: CVE-2020-1855
Creator: NVD / NIST
Published: 2020-02-18T03:15:11.277+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2020-1855 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Huawei HEGE-570 version 1.0.1.22(SP3); and HEGE-560, OSCA-550, OSCA-550A, OSCA-550AX, and OSCA-550X version 1.0.1.21(SP3) have an insufficient verification vulnerability. An attacker can access the device physically and exploit this vulnerability to tamper with device information. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

Huawei HEGE-570 version 1.0.1.22(SP3); and HEGE-560, OSCA-550, OSCA-550A, OSCA-550AX, and OSCA-550X version 1.0.1.21(SP3) have an insufficient verification vulnerability. An attacker can access the device physically and exploit this vulnerability to tamper with device information. Successful exploit may cause service abnormal.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS Probability

0.21%

10.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Huawei	Hege-560 Firmware	1.0.1.21\(sp3\)
Huawei	Osca-550 Firmware	1.0.1.21\(sp3\)
Huawei	Osca-550a Firmware	1.0.1.21\(sp3\)
Huawei	Osca-550ax Firmware	1.0.1.21\(sp3\)
Huawei	Osca-550x Firmware	1.0.1.21\(sp3\)
Huawei	Hege-570 Firmware	1.0.1.22\(sp3\)

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200122-03-osca-enVendor Advisory
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200122-03-osca-enVendor Advisory

Timeline

Published: Feb 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1855?

How severe is CVE-2020-1855?

CVE-2020-1855 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1855?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1855?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST