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Fencer Vulns
medium 4.3

CVE-2020-29603 json

MantisBT Insecure Storage in manage_proj_edit_page.php

published 2021-01-29 5 y ago modified 2026-06-17 4 mo ago also GHSA-qpj5-f88q-x7px , EUVD-2020-21964

cvss
4.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

In manage_proj_edit_page.php in MantisBT before 2.24.4, any unprivileged logged-in user can retrieve Private Projects' names via the manage_proj_edit_page.php project_id parameter, without having access to them.

Patch / fix

  • packagist mantisbt/mantisbt 2.24.4
  • mantisbt mantisbt 2.24.4

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-29603 updated

mantis: Authorization bypass via manage_proj_edit_page.php project_id parameter

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • mantisbt.org https://mantisbt.org/bugs/view.php?id=27726 referenced PoC, tagged "exploit" by a source, unverified
  • mantisbt.org https://mantisbt.org/bugs/view.php?id=27357 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N
GitHub 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist mantisbt/mantisbt
<2.24.4
2.24.4

Classification

Weakness
  • CWE-922 Insecure Storage of Sensitive Information

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.