PIN code is transmitted to the peer device in plain text during cross-device authentication, which reduces the difficulty of man-in-the-middle attacks.

published 2022-12-08 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-48728

cvss: 8.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits: 0; none known

OpenHarmony-v3.1.4 and prior versions had an vulnerability. PIN code is transmitted to the peer device in plain text during cross-device authentication, which reduces the difficulty of man-in-the-middle attacks.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-07-18)

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.3	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
NVD	3.1	5.3	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

OpenHarmony OpenHarmony

Classification

Weakness

CWE-287 Improper Authentication
CWE-319 Cleartext Transmission of Sensitive Information

References

gitee.com /openharmony/security/blob/master/en/security-disclosure/2022/2022-12.md
third-party-advisory

Sources

CVE List CVE-2022-45877
NVD CVE-2022-45877

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Summary