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CVE-2009-1171

27
FAUCET Score

CVE-2009-1171 describes a file disclosure vulnerability in the TeX filter of Moodle versions 1.6.x, 1.7.x, 1.8.x, and 1.9.x prior to their respective patched versions. An unauthenticated, user-assisted attacker can exploit this by injecting an input command within a "$$" sequence, leading to arbitrary file reading through LaTeX inclusion. The vulnerability has a CVSS score of 4.3 (Medium), indicating a network-based attack with medium complexity and potential for partial confidentiality impact. While not listed on the KEV catalog, an ExploitDB entry (EDB-8297) confirms the existence of public exploit code, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
1.6.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:1.6.0:*:*:*:*:*:*:*
1.6.1CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:1.6.1:*:*:*:*:*:*:*
1.6.2CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:1.6.2:*:*:*:*:*:*:*
1.6.3CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:1.6.3:*:*:*:*:*:*:*
1.6.4CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:1.6.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.24%
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
ExploitDB: EDB-8297 · Mar 27, 2009
This CVE's current EPSS score of 0.0624 is in the 92nd percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

redhatCVE-2009-1171

moodle: file disclosure flaw in TeX filter

References

cvs.moodle.org / moodle/filter/tex/filter.php
Exploit
lists.opensuse.org / opensuse-security-announce/2009-04/msg00010.html
secunia.com / advisories/34517
secunia.com / advisories/34557
secunia.com / advisories/34600
secunia.com / advisories/35570
usn.ubuntu.com / 791-2
exploit-db.com / exploits/8297
redhat.com / archives/fedora-package-announce/2009-April/msg00077.html
redhat.com / archives/fedora-package-announce/2009-April/msg00079.html
tracker.moodle.org / browse/MDL-18552
debian.org / security/2009/dsa-1761
securityfocus.com / archive/1/502231/100/0/threaded
securityfocus.com / bid/34278