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CVE-2020-25074

30
FAUCET Score

CVE-2020-25074 is a critical directory traversal vulnerability affecting MoinMoin wiki software through version 1.9.10, including Debian distributions. It allows an unauthenticated attacker to achieve remote code execution by uploading a specially crafted attachment via the cache action. With a CVSS score of 9.8 (CRITICAL), this vulnerability poses a significant risk due to its network-based attack vector and high impact on confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, its high EPSS score indicates a notable potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.9.10CPE matchmatch criteria
cpe:2.3:a:moinmo:moinmoin:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
6.28%
Probability of exploitation in next 30 days
EPSS Percentile
92.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0628 is in the 87th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: moinFixed in: 1.9.11

Vendor Advisories (1)

pipGHSA-52q8-877j-gghqhigh

MoinMoin vulnerable to remote code execution via cache action

Nov 11, 2020

References

moinmo.in / SecurityFixes
Third Party Advisory
github.com / moinwiki/moin-1.9/security/advisories/GHSA-52q8-877j-gghq
Third Party Advisory
lists.debian.org / debian-lts-announce/2020/11/msg00020.html
Mailing ListThird Party Advisory
debian.org / security/2020/dsa-4787
Third Party Advisory