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CVE-2016-3735· NVD / CVE Program· CNA redhat

Piwigo is image gallery software written in PHP.

Piwigo is image gallery software written in PHP. When a criteria is not met on a host, piwigo defaults to usingmt_rand in order to generate password reset tokens. mt_rand output can be predicted after recovering the seed used to generate it. This low an unauthenticated attacker to take over an account providing they know an administrators email address in order to be able to request password reset.

HighCVSS 8.1 · v3.1—No exploit No fix recorded
Published
Jan 28, 2022
Updated
Jun 16, 2026
EPSS
1.4% · 71th percentile
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Report tools

JSON

Action score

32

Monitor

Low priority for now.

CVSS
32 / 40 · 8.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.4%

Affected systems

VendorProduct
piwigopiwigo

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • piwigo piwigobefore 2.8.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a Piwigo

    • piwigo < 2.8.1affected

Same product

piwigo: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-19213SQL Injection vulnerability in cat_move.php in piwigo v2.9.5, via the selection parameter to move_categories.
    44Plan
  • CVE-2023-33362Piwigo 13.6.0 is vulnerable to SQL Injection via in the "profile" function.
    42Plan
  • CVE-2017-10682SQL injection vulnerability in the administrative backend in Piwigo through 2.9.1 allows remote users to execute arbitrary SQL commands via
    41Plan
  • CVE-2021-32615Piwigo 11.4.0 allows admin/user_list_backend.php order[0][dir] SQL Injection.
    40Plan
  • CVE-2016-10105admin/plugin.php in Piwigo through 2.8.3 doesn't validate the sections variable while using it to include files.
    40Plan
  • CVE-2014-4648Unspecified vulnerability in Piwigo before 2.6.3 has unknown impact and attack vectors, related to a "security failure."
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-335 · Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records