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CVE-2016-5100

Froxlor guessable password reset token

9.8 CriticalFix available

Froxlor before 0.9.35 uses the PHP rand function for random number generation, which makes it easier for remote attackers to guess the password reset token by predicting a value.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.92%Up 0.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.8

Froxlor before 0.9.35 uses the PHP rand function for random number generation, which makes it easier for remote attackers to guess the password reset token by predicting a value.

Record
CVE-2016-5100
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-330
Updated
2026-11-02
CVE List No score

Froxlor before 0.9.35 uses the PHP rand function for random number generation, which makes it easier for remote attackers to guess the password reset token by predicting a value.

Record
CVE-2016-5100
Updated
2026-11-02
EUVDEUVD-2022-4985 No score

Froxlor before 0.9.35 uses the PHP rand function for random number generation, which makes it easier for remote attackers to guess the password reset token by predicting a value.

Record
EUVD-2022-4985
Updated
2026-11-03
GitHub AdvisoriesGHSA-qj6h-m7xc-r2v3 9.8

Froxlor guessable password reset token

Froxlor before 0.9.35 uses the PHP rand function for random number generation, which makes it easier for remote attackers to guess the password reset token by predicting a value.

Record
GHSA-qj6h-m7xc-r2v3
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-330
Updated
2026-11-02
OSV 9.8

Froxlor before 0.9.35 uses the PHP rand function for random number generation, which makes it easier for remote attackers to guess the password reset token by predicting a value.

Record
CVE-2016-5100
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-qj6h-m7xc-r2v3 9.8

Froxlor guessable password reset token

Froxlor before 0.9.35 uses the PHP rand function for random number generation, which makes it easier for remote attackers to guess the password reset token by predicting a value.

Record
GHSA-qj6h-m7xc-r2v3
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-330
Updated
2026-11-02
OSVopenSUSE-SU-2021:0415-1 No score

Security update for froxlor

This update for froxlor fixes the following issues:

  • Upstream upgrade to version 0.10.23 (boo#846355)

  • Upstream upgrade to version 0.10.22 (boo#846355)

  • BuildRequire cron as this contains now the cron directories

  • Use %license for COPYING file instead of %doc [boo#1082318]

Upstream upgrade to version 0.9.40.1 (boo#846355)

new features besides API that found their way in:

  • 2FA / TwoFactor Authentication for accounts
  • MySQL8 compatibility
  • new implementation of Let's Encrypt (acme.sh)
  • customizable error/access log handling for webserver (format, level, pipe-to-script, etc.)
  • lots and lots of bugfixes and small enhancements

Upstream upgrade to version 0.9.39.5 (boo#846355)

  • PHP rand function for random number generation fixed in previous version (boo#1025193) CVE-2016-5100
  • upstream upgrade to version 0.9.39 (boo#846355)
  • Add and change of froxlor config files and manual
  • Change Requires to enable use with php7
Record
openSUSE-SU-2021:0415-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:0450-1 No score

Security update for froxlor

This update for froxlor fixes the following issues:

  • Upstream upgrade to version 0.10.23 (boo#846355)

  • Upstream upgrade to version 0.10.22 (boo#846355)

  • BuildRequire cron as this contains now the cron directories

  • Use %license for COPYING file instead of %doc [boo#1082318]

Upstream upgrade to version 0.9.40.1 (boo#846355)

new features besides API that found their way in:

  • 2FA / TwoFactor Authentication for accounts
  • MySQL8 compatibility
  • new implementation of Let's Encrypt (acme.sh)
  • customizable error/access log handling for webserver (format, level, pipe-to-script, etc.)
  • lots and lots of bugfixes and small enhancements

Upstream upgrade to version 0.9.39.5 (boo#846355)

  • PHP rand function for random number generation fixed in previous version (boo#1025193) CVE-2016-5100
  • upstream upgrade to version 0.9.39 (boo#846355)
  • Add and change of froxlor config files and manual
  • Change Requires to enable use with php7 This update was imported from the openSUSE:Leap:15.2:Update update project.
Record
openSUSE-SU-2021:0450-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
froxlor/froxlor
Packagist
before 0.9.35
0.9.35
froxlor
openSUSE:Leap 15.2
before 0.10.23-lp152.4.3.1
0.10.23-lp152.4.3.1
froxlor
SUSE:Package Hub 15 SP2
before 0.10.23-bp152.4.3.1
0.10.23-bp152.4.3.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-5100 is a critical vulnerability (CVSS 9.8) in Froxlor, published February 13, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.92%, the 79th percentile. Fixed in froxlor/froxlor 0.9.35.

References

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