Medium severity · published Apr 13, 2021
CVE-2021-21729
Some ZTE products have CSRF vulnerability
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
Some ZTE products have CSRF vulnerability. Because some pages lack CSRF random value verification, attackers could perform illegal authorization operations by constructing messages.This affects: ZXHN H168N V3.5.0_EG1T5_TE, V2.5.5, ZXHN H108N V2.5.5_BTMT1
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZH
Zxhn H108n Firmware · Zte
2.5.5_btmt1 · source: NVD
ZH
Zxhn H168n Firmware · Zte
3.5.0_eg1t5_te · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-21729
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-21729
Vendor Advisory
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014904
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