CVE-2021-21734 (GCVE-0-2021-21734)
Vulnerability from cvelistv5 – Published: 2021-05-28 11:45 – Updated: 2024-08-03 18:23
VLAI
EPSS
VEX
Summary
Some PON MDU devices of ZTE stored sensitive information in plaintext, and users with login authority can obtain it by inputing command. This affects: ZTE PON MDU device ZXA10 F821 V1.7.0P3T22, ZXA10 F822 V1.4.3T6, ZXA10 F819 V1.2.1T5, ZXA10 F832 V1.1.1T7, ZXA10 F839 V1.1.0T8, ZXA10 F809 V3.2.1T1, ZXA10 F822P V1.1.1T7, ZXA10 F832 V2.00.00.01
Severity
6.5 (Medium)
CWE
- cryptographic issues
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.zte.com.cn/support/news/LoopholeI… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | ZTE PON MDU devices |
Affected:
ZXA10 F821 V1.7.0P3T22,ZXA10 F822 V1.4.3T6,ZXA10 F819 V1.2.1T5,ZXA10 F832 V1.1.1T7,ZXA10 F839 V1.1.0T8,ZXA10 F809 V3.2.1T1,ZXA10 F822P V1.1.1T7,ZXA10 F832 V2.00.00.01
|
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"id": "CVE-2021-21734",
"lastModified": "2024-11-21T05:48:54.243",
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"redhat_vex": {
"current_release_date": "2026-03-27T14:55:32+00:00",
"cve": "CVE-2021-21734",
"id": "CVE-2021-21734",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2021-21734",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-21734.json",
"version": "3"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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