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CVE-2022-45152

29
FAUCET Score

CVE-2022-45152 is a critical blind Server-Side Request Forgery (SSRF) vulnerability in Moodle, affecting various Fedora Project and Moodle distributions. This flaw stems from insufficient validation of user-supplied input within the LTI provider library, which fails to utilize Moodle's secure cURL helper. An unauthenticated remote attacker can exploit this by sending a specially crafted HTTP request, forcing the application to initiate requests to arbitrary internal or external systems. Rated with a CVSS score of 9.1 (Critical), the vulnerability has a low attack complexity and requires no user interaction or privileges, allowing for high confidentiality and integrity impacts. While the EPSS score is low, indicating a low probability of exploitation, the FAUCET Risk Score is 72/100. Currently, there is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting a lack of widespread attention.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.9.18CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 3.11.0, < 3.11.11CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 4.0.0, < 4.0.5CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.35%
Probability of exploitation in next 30 days
EPSS Percentile
68.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0135 is in the 55th percentile among its peer group of 36,897 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 (3)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.9.18
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.11.11
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 4.0.5

Vendor Advisories (1)

composerGHSA-xqcf-vgqc-pcmgcritical

Moodle blind Server-Side Request Forgery (SSRF) vulnerability in LTI provider library

Nov 25, 2022

References

git.moodle.org / gw
bugzilla.redhat.com / show_bug.cgi
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/2DHYIIAUXUBHMBEDYU7TYNZXEN2W2SA2
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/74SXNGA5RIWM7QNX7H3G7SYIQLP4UUGV
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/NLRJB5JNKK3VVBLV3NH3RI7COEDAXSAB
moodle.org / mod/forum/discuss.php