UpHeron
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Servers and applications

CVE-2014-2855

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.

Severity
High 7.8
Published
23 Apr 2014
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
4.2% in the next 30 daysHigher than 91% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · No login needed
Attacker can
Take it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Sources
NVD

Affected software

SoftwareAffected versions
rsyncServers and applications · cpe:a:samba:rsync
  • Version 3.0.9
  • Version 3.0.8
  • Version 3.0.7
  • Version 3.0.6
All 42 release lines
  • Every version up to 3.1.0
  • Version 2.6.9
  • Version 2.7.0
  • Version 2.7.1
  • Version 2.7.2
  • Version 2.7.3
  • Version 2.7.4
  • Version 2.7.5
  • Version 2.7.6
  • Version 2.7.7
  • Version 2.7.8
  • Version 2.7.9
  • Version 2.8.0
  • Version 2.8.1
  • Version 2.8.2
  • Version 2.8.3
  • Version 2.8.4
  • Version 2.8.5
  • Version 2.8.6
  • Version 2.8.7
  • Version 2.8.8
  • Version 2.8.9
  • Version 2.9.0
  • Version 2.9.1
  • Version 2.9.2
  • Version 2.9.3
  • Version 2.9.4
  • Version 2.9.5
  • Version 2.9.6
  • Version 2.9.7
  • Version 2.9.8
  • Version 2.9.9
  • Version 3.0.0
  • Version 3.0.1
  • Version 3.0.2
  • Version 3.0.3
  • Version 3.0.4
  • Version 3.0.5
  • Version 3.0.6
  • Version 3.0.7
  • Version 3.0.8
  • Version 3.0.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2014-2855
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2014-2855