CVE-2021-35474
9.8
CRITICAL · CVSS 3.1 · EPSS 2.7% (pctl 86)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
Stack-based Buffer Overflow vulnerability in cachekey plugin of Apache Traffic Server. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.71% — more likely to be exploited than 86% of all CVEs |
| Weakness | CWE-121 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-06-30 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| apache | traffic server |
| debian | debian linux |
References
- https://lists.apache.org/thread.html/ra1a41ff92a70d25bf576d7da2590575e8ff430393a3f4a0c34de4277%40%3Cusers.trafficserver.apache.org%3E
- https://www.debian.org/security/2021/dsa-4957
- https://lists.apache.org/thread.html/ra1a41ff92a70d25bf576d7da2590575e8ff430393a3f4a0c34de4277%40%3Cusers.trafficserver.apache.org%3E
- https://www.debian.org/security/2021/dsa-4957
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