CSRF in ZTE Zxhn H108n
CVE-2021-21729
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
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (31.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- ZTE Zxhn H108n
- ZTE Zxhn H108n Firmware — versions 2.5.5_btmt1
- ZTE Zxhn H168n
- ZTE Zxhn H168n Firmware — versions 3.5.0_eg1t5_te
- Zxhn H168n,zxhn H108n — versions V3.5.0_EG1T5_TE, V2.5.5_BTMT1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.zte.com.cn/support/news/LoopholeInfoDetail.aspx (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-21729?
- CVE-2021-21729 is a medium-severity vulnerability in ZTE Zxhn H108n, classified under Use of Insufficiently Random Values. CVSS score: 6.5/10. Published 2021-04-13.
- How severe is CVE-2021-21729?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-21729 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.