Path Traversal in Yaws

CVE-2017-10974

Yaws 1.91 allows Unauthenticated Remote File Disclosure via HTTP Directory Traversal with /%5C../ to port 8080. NOTE: this CVE is only about use of an initial /%5C sequence to defeat traversal protection mechanisms; the initial /%5C sequence was apparently not discussed in earlier research on this product.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.812 (99.6th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-10974: rose from 0.546 to 0.812.

EPSS over last 30 days · oldest: 0.546 · newest: 0.812 · change: +0.265

Affected products

  • Yaws — versions 1.91

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-10974?
CVE-2017-10974 is a high-severity vulnerability in Yaws, classified under Path Traversal. CVSS score: 7.5/10. Published 2017-07-07.
How severe is CVE-2017-10974?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-10974 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.