CVE-2019-17559
9.8
CRITICAL · CVSS 3.1 · EPSS 3.2% (pctl 88)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
There is a vulnerability in Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.8, and 8.0.0 to 8.0.5 with a smuggling attack and scheme parsing. Upgrade to versions 7.1.9 and 8.0.6 or later versions.
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 | 3.17% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-444 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-03-23 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| apache | traffic server |
| debian | debian linux |
References
- https://lists.apache.org/thread.html/r99d18d0bc4daa05e7d0e5a63e0e22701a421b2ef5a8f4f7694c43869%40%3Cannounce.trafficserver.apache.org%3E
- https://www.debian.org/security/2020/dsa-4672
- https://lists.apache.org/thread.html/r99d18d0bc4daa05e7d0e5a63e0e22701a421b2ef5a8f4f7694c43869%40%3Cannounce.trafficserver.apache.org%3E
- https://www.debian.org/security/2020/dsa-4672
→ the Explorer · watch your stack · NVD