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Critical

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-25074

The cache action in action/cache.py in MoinMoin through 1.9.10 allows directory traversal through a crafted HTTP request. An attacker who can upload attachments to the wiki can use this to achieve remote code execution.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2020-25074
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 11:07 UTC · Revision 1

Source evidence

CVE-2020-25074

core-osv · Original source

Published 10 Nov 2020, 17:15 UTC

The cache action in action/cache.py in MoinMoin through 1.9.10 allows directory traversal through a crafted HTTP request. An attacker who can upload attachments to the wiki can use this to achieve remote code execution.

osv:CVE-2020-25074
Complete source record
{
  "id": "3fabf376d38182de48ae5fa2d964c188ab76e3accf1b3a56f786bf90d5abaab6",
  "url": "https://osv.dev/vulnerability/CVE-2020-25074",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-25074",
    "summary": "The cache action in action/cache.py in MoinMoin through 1.9.10 allows directory traversal through a crafted HTTP request. An attacker who can upload attachments to the wiki can use this to achieve remote code execution.",
    "evidence": "osv:CVE-2020-25074",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-25074",
      "aliases": [
        "CVE-2020-25074",
        "GHSA-52q8-877j-gghq",
        "PYSEC-2020-67"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/moinwiki/moin-1.9",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "23f0d7279d81c502ef637bffb3a3b2c9f1fdf35c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:moinmo:moinmoin:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.9.10"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.9.10",
            "1.9.9"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25074.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:52.480732094Z",
      "provider": "osv",
      "references": [
        "https://github.com/moinwiki/moin-1.9/security/advisories/GHSA-52q8-877j-gghq",
        "https://lists.debian.org/debian-lts-announce/2020/11/msg00020.html",
        "https://www.debian.org/security/2020/dsa-4787"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  },
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-25074",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383985,
  "published_at": "2020-11-10T17:15:12.907+00:00"
}