CVE-2021-27098 affects SPIRE versions 0.8.1 through 0.8.4 and allows an authenticated attacker to forge X.509 certificates for unauthorized SPIFFE IDs by crafting specific requests to the FetchX509SVID RPC. This vulnerability carries a high CVSS score of 8.1, indicating a low attack complexity and the potential for high impact on confidentiality and integrity, as it could lead to unauthorized identity issuance within the same trust domain. While the vulnerability requires prior authentication with a valid agent certificate, there is currently no public exploit code, active exploitation, or significant community discussion reported.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0.8.1, <= 0.8.4CPE matchmatch criteria | cpe:2.3:a:cncf:spire:*:*:*:*:*:*:*:* | ||
>= 0.9.0, < 0.9.4CPE matchmatch criteria | cpe:2.3:a:cncf:spire:*:*:*:*:*:*:*:* | ||
>= 0.10.0, < 0.10.2CPE matchmatch criteria | cpe:2.3:a:cncf:spire:*:*:*:*:*:*:*:* | ||
>= 0.11.0, < 0.11.3CPE matchmatch criteria | cpe:2.3:a:cncf:spire:*:*:*:*:*:*:*:* | ||
>= 0.12.0, < 0.12.1CPE matchmatch criteria | cpe:2.3:a:cncf:spire:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.