CVE-2021-20091
High
Published: 29 April 2021
Published
29 April 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.8470
99.4th percentile
Risk Priority
68
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-20091 is a high-severity an unspecified weakness vulnerability in Buffalo Wsr-2533Dhpl2-Bk Firmware. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 0.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-7548
Vulnerability details
The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly sanitize user input. An authenticated remote attacker could leverage this vulnerability to alter device configuration, potentially gaining remote code execution.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
buffalo
wsr-2533dhpl2-bk firmware
≤ 1.02
buffalo
wsr-2533dhp3-bk firmware
≤ 1.24
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.