CVE-2017-10974

high

Published 2017-07-07 · Modified 2026-05-13

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CVSS v3

7.5

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

8.5

Description

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.

Predictions

Exploit likelihood

100%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-42303 remote multiple

hyp3rlinx · 2017-07-07

Yaws 1.91 - Remote File Disclosure

Source code queued for fetch — refresh in a moment.

OS impact

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`1.91-2`
sid	Fixed	`1.91-2`
forky	Fixed	`1.91-2`
bullseye	Fixed	`1.91-2`
bookworm	Fixed	`1.91-2`

Application impact

Vendor	Product	Versions	Fixed
yaws	yaws	`1.91`

References

CWEs

CWE-22

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.