CVE-2014-2855

7.8 HIGH 4% exploit odds Fix listed

What it is

The check_secret function in authenticate.c in rsync 3.1.0 and earlier allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a user name which does not exist in the secrets file.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 4.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2014-04-23 15:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:07 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 4.2% in the next 30 days (EPSS).
Severity: 7.8 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2014-04-23 15:55 UTC
Last modified: 2026-06-17 00:07 UTC
Exploit probability: 4.2% · EPSS, next 30 days
Weakness: CWE-20 · Improper input validation
Record status: Modified

Affected

Samba Rsync ≤ 3.1.0
Samba Rsync 2.6.9
Samba Rsync 2.7.0
Samba Rsync 2.7.1
Samba Rsync 2.7.2
Samba Rsync 2.7.3
Samba Rsync 2.7.4
Samba Rsync 2.7.5

Attack profile CVSS 2.0 · 7.8

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: None
Integrity: None
Availability: Complete

Raw vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record