CVE-2013-4522: moodle
Vulnerability summary
CVE-2013-4522 is a medium (CVSS 5.0) vulnerability in moodle. EPSS estimates a 1.54% chance of exploitation in the next 30 days, higher than 74.5% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 26-11-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
lib/filelib.php in Moodle through 2.2.11, 2.3.x before 2.3.10, 2.4.x before 2.4.7, and 2.5.x before 2.5.3 does not send "Cache-Control: private" HTTP headers, which allows remote attackers to obtain sensitive information by requesting a file that had been previously retrieved by a caching proxy server.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
1.54%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.54% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (git.moodle.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Moodle1 product
- moodle≤ 2.2.11 | 1.1.1 | 1.2.0 | 1.2.1 | 1.3.0 | 1.3.1 | 1.3.2 | 1.3.3 | 1.3.4 | 1.4.1 | 1.4.2 | 1.4.3 | 1.4.4 | 1.4.5 | 1.5 | 1.5.0:beta | 1.5.1 | 1.5.2 | 1.5.3 | 1.6.0 | 1.6.1 | 1.6.2 | 1.6.3 | 1.6.4 | 1.6.5 | 1.6.6 | 1.6.7 | 1.6.8 | 1.7.1 | 1.7.2 | 1.7.3 | 1.7.4 | 1.7.5 | 1.7.6 | 1.8.1 | 1.8.2 | 1.8.3 | 1.8.4 | 1.8.5 | 1.8.6 | 1.8.7 | 1.8.8 | 1.8.9 | 1.8.10 | 1.8.11 | 1.8.12 | 1.8.13 | 1.8.14 | 1.9.1 | 1.9.2 | 1.9.3 | 1.9.4 | 1.9.5 | 1.9.6 | 1.9.7 | 1.9.8 | 1.9.9 | 1.9.10 | 1.9.11 | 1.9.12 | 1.9.13 | 1.9.14 | 1.9.15 | 1.9.16 | 1.9.17 | 1.9.18 | 2.0.0 | 2.0.1 | 2.0.2 | 2.0.3 | 2.0.4 | 2.0.5 | 2.0.6 | 2.0.7 | 2.0.8 | 2.0.9 | 2.1.0 | 2.1.1 | 2.1.2 | 2.1.3 | 2.1.4 | 2.1.5 | 2.1.6 | 2.1.7 | 2.1.8 | 2.1.9 | 2.1.10 | 2.2.0 | 2.2.1 | 2.2.2 | 2.2.3 | 2.2.4 | 2.2.5 | 2.2.6 | 2.2.7 | 2.2.8 | 2.2.9 | 2.2.10 | 2.3.0 | 2.3.1 | 2.3.2 | 2.3.3 | 2.3.4 | 2.3.5 | 2.3.6 | 2.3.7 | 2.3.8 | 2.3.9 | 2.4.0 | 2.4.1 | 2.4.2 | 2.4.3 | 2.4.4 | 2.4.5 | 2.4.6 | 2.5.0 | 2.5.1 | 2.5.2
Ubuntu1 product
- moodle< 2.5.3-1
2 vendors · 2 products
References
5 links- git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38743X Refsource CONFIRMExploitPatchREPORT