CVE-2021-20738
WRC-1167FS-W, WRC-1167FS-B, and WRC-1167FSA all versions allow an unauthenticated network...
WRC-1167FS-W, WRC-1167FS-B, and WRC-1167FSA all versions allow an unauthenticated network-adjacent attacker to obtain sensitive information via unspecified vectors.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
WRC-1167FS-W, WRC-1167FS-B, and WRC-1167FSA all versions allow an unauthenticated network-adjacent attacker to obtain sensitive information via unspecified vectors.
- Record
CVE-2021-20738- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 3.3 Low
AV:A/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
WRC-1167FS-W, WRC-1167FS-B, and WRC-1167FSA all versions allow an unauthenticated network-adjacent attacker to obtain sensitive information via unspecified vectors.
- Record
CVE-2021-20738- Updated
- 2026-11-02
EUVDEUVD-2021-8152 No score
WRC-1167FS-W, WRC-1167FS-B, and WRC-1167FSA all versions allow an unauthenticated network-adjacent attacker to obtain sensitive information via unspecified vectors.
- Record
EUVD-2021-8152- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9m73-cfj6-8gjc No score
WRC-1167FS-W, WRC-1167FS-B, and WRC-1167FSA all versions allow an unauthenticated network...
WRC-1167FS-W, WRC-1167FS-B, and WRC-1167FSA all versions allow an unauthenticated network-adjacent attacker to obtain sensitive information via unspecified vectors.
- Record
GHSA-9m73-cfj6-8gjc- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-20738 is a medium vulnerability (CVSS 6.5) in Elecom Co.,ltd. Wrc-1167fs-w, Wrc-1167fs-b, And Wrc-1167fsa, published July 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.