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CVE-2017-15994

33
FAUCET Score

CVE-2017-15994 is a critical vulnerability affecting rsync 3.1.3-development versions prior to 2017-10-24, where it improperly handles archaic checksums, potentially allowing remote attackers to bypass access restrictions. This vulnerability, also impacting Samba rsync, carries a CVSS score of 9.8 (CRITICAL) due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness despite no media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.1.2CPE matchmatch criteria
cpe:2.3:a:samba:rsync:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.00%
Probability of exploitation in next 30 days
EPSS Percentile
59.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0100 is in the 44th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: rsync
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: rsync
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: rsync

Vendor Advisories (1)

redhatCVE-2017-15994Moderate

rsync: Mishandles archaic checksums

Oct 24, 2017

References

git.samba.org
git.samba.org
git.samba.org