Search/CVE-2021-20857
● CVE — Medium

CVE-2021-20857

VendorelecomProductwrc-2533ghbk-i firmwareDiscoveredDec 1, 2021UpdatedNov 21, 2024

Cross-site scripting vulnerability in ELECOM LAN router WRC-2533GHBK-I firmware v1.20 and prior allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

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CVSS v3.1
5.4 MEDIUM
EPSS
0.60%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 25, 2026
▲ 0.02pp
0.58% → 0.60% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionREQUIRED
ScopeCHANGED
ConfidentialityLOW
IntegrityLOW
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Connections
2 relationships
Timeline
disclosure → media coverage
Dec 1, 2021
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024