CVE-2017-10974
Yaws 1.91 allows Unauthenticated Remote File Disclosure via HTTP Directory Traversal with /%5C../ to port 8080.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 81.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 81.16% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · first 7 July 2017
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- yaws/yaws
- Source
- cve@mitre.org
EPSS moved from 54.6% on 21 September 2026 to 81.2% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://hyp3rlinx.altervista.org/advisories/YAWS-WEB-SERVER-v1.91-UNAUTHENTICATED-REMOTE-FILE-DISCLOSURE.txtExploit, Third Party Advisory
- http://www.securityfocus.com/bid/99515Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42303/Exploit, Third Party Advisory, VDB Entry
- http://hyp3rlinx.altervista.org/advisories/YAWS-WEB-SERVER-v1.91-UNAUTHENTICATED-REMOTE-FILE-DISCLOSURE.txtExploit, Third Party Advisory
- http://www.securityfocus.com/bid/99515Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42303/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.