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CVE-2019-18951

45
FAUCET Score

CVE-2019-18951 is a directory traversal vulnerability affecting SibSoft Xfilesharing up to version 2.5.1, allowing an unauthenticated attacker to read arbitrary files on the server. This high-severity flaw (CVSS 7.5) requires no user interaction and can lead to complete confidentiality compromise. While not listed on the KEV catalog, an exploit is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.5.1CPE matchmatch criteria
cpe:2.3:a:sibsoft:xfilesharing:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
19.78%
Probability of exploitation in next 30 days
EPSS Percentile
97.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-47659 · Nov 14, 2019
This CVE's current EPSS score of 0.1978 is in the 96th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/155324/Xfilesharing-2.5.1-Local-File-Inclusion-Shell-Upload.html
ExploitThird Party Advisory
gist.github.com / pak0s/af9f640170aed335fdf6d110d468dbce
ExploitThird Party Advisory