Django REST framework

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

Vulnerability_idVCID-u9f3-sbjk-pygw
Summary
Improper Control of Generation of Code ('Code Injection')
CRLF injection vulnerability in calendar/set.php in the Calendar component in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, 2.1.x before 2.1.3, and 2.2 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via vectors involving the url variable.
Aliases
0
alias CVE-2011-4203
1
alias GHSA-4w8m-96v9-2c86
Fixed_packages
Affected_packages
0
url pkg:composer/moodle/moodle@2.0.0
purl pkg:composer/moodle/moodle@2.0.0
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-1m87-uyah-9kat
1
vulnerability VCID-364d-q9tm-4ket
2
vulnerability VCID-5u1f-df9m-x3en
3
vulnerability VCID-5vy6-nqht-hfa5
4
vulnerability VCID-7see-ex7a-9fdr
5
vulnerability VCID-8d1d-8x82-n7fj
6
vulnerability VCID-8q6b-cnmp-n3gv
7
vulnerability VCID-8y2x-aqub-9ycv
8
vulnerability VCID-9ffw-35y1-9kcc
9
vulnerability VCID-ajfk-n1qs-hqdp
10
vulnerability VCID-bav3-bmte-w3gr
11
vulnerability VCID-bgbv-4kb1-3bhg
12
vulnerability VCID-e1jc-m337-k7bj
13
vulnerability VCID-era2-gy4n-6kdx
14
vulnerability VCID-f6mk-8r56-1yfe
15
vulnerability VCID-j9xy-97ps-7fht
16
vulnerability VCID-kr6a-2jmv-t7dh
17
vulnerability VCID-pj1q-4uex-e3d3
18
vulnerability VCID-pmh4-7sf4-pkec
19
vulnerability VCID-pswr-m2yd-tkfb
20
vulnerability VCID-qpns-23xm-qyhv
21
vulnerability VCID-rqx8-nq76-sugw
22
vulnerability VCID-rsgm-pmc9-dfbb
23
vulnerability VCID-t242-kuj7-zfg4
24
vulnerability VCID-t5ww-gsnd-3ycg
25
vulnerability VCID-u9f3-sbjk-pygw
26
vulnerability VCID-ut3x-gmbz-ukem
27
vulnerability VCID-vf82-m9gw-kud2
28
vulnerability VCID-yrzk-x3uu-zkcn
resource_url http://public2.vulnerablecode.io/packages/pkg:composer/moodle/moodle@2.0.0
1
url pkg:composer/moodle/moodle@2.1.0
purl pkg:composer/moodle/moodle@2.1.0
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-1m87-uyah-9kat
1
vulnerability VCID-364d-q9tm-4ket
2
vulnerability VCID-5vy6-nqht-hfa5
3
vulnerability VCID-7see-ex7a-9fdr
4
vulnerability VCID-8q6b-cnmp-n3gv
5
vulnerability VCID-du8m-h228-cff3
6
vulnerability VCID-e1jc-m337-k7bj
7
vulnerability VCID-hxhr-sxkm-nka6
8
vulnerability VCID-kdqf-c5py-sybt
9
vulnerability VCID-pj1q-4uex-e3d3
10
vulnerability VCID-pswr-m2yd-tkfb
11
vulnerability VCID-qjdf-s39r-5bdb
12
vulnerability VCID-t242-kuj7-zfg4
13
vulnerability VCID-t5ww-gsnd-3ycg
14
vulnerability VCID-u9f3-sbjk-pygw
15
vulnerability VCID-uhws-64fm-hybk
16
vulnerability VCID-vf82-m9gw-kud2
17
vulnerability VCID-xu4e-svgd-cygq
resource_url http://public2.vulnerablecode.io/packages/pkg:composer/moodle/moodle@2.1.0
References
0
reference_url http://penturalabs.wordpress.com/2011/12/13/advisory-crlf-injection-vulnerability-in-moodle
reference_id
reference_type
scores
0
value MODERATE
scoring_system generic_textual
scoring_elements
url http://penturalabs.wordpress.com/2011/12/13/advisory-crlf-injection-vulnerability-in-moodle
1
reference_url http://penturalabs.wordpress.com/2011/12/13/advisory-crlf-injection-vulnerability-in-moodle/
reference_id
reference_type
scores
url http://penturalabs.wordpress.com/2011/12/13/advisory-crlf-injection-vulnerability-in-moodle/
2
reference_url https://api.first.org/data/v1/epss?cve=CVE-2011-4203
reference_id
reference_type
scores
0
value 0.00483
scoring_system epss
scoring_elements 0.65302
published_at 2026-05-09T12:55:00Z
1
value 0.00483
scoring_system epss
scoring_elements 0.65212
published_at 2026-04-16T12:55:00Z
2
value 0.00483
scoring_system epss
scoring_elements 0.65221
published_at 2026-04-18T12:55:00Z
3
value 0.00483
scoring_system epss
scoring_elements 0.65204
published_at 2026-04-21T12:55:00Z
4
value 0.00483
scoring_system epss
scoring_elements 0.65218
published_at 2026-04-24T12:55:00Z
5
value 0.00483
scoring_system epss
scoring_elements 0.65231
published_at 2026-04-26T12:55:00Z
6
value 0.00483
scoring_system epss
scoring_elements 0.6523
published_at 2026-04-29T12:55:00Z
7
value 0.00483
scoring_system epss
scoring_elements 0.6521
published_at 2026-05-05T12:55:00Z
8
value 0.00483
scoring_system epss
scoring_elements 0.65257
published_at 2026-05-07T12:55:00Z
9
value 0.00483
scoring_system epss
scoring_elements 0.65095
published_at 2026-04-01T12:55:00Z
10
value 0.00483
scoring_system epss
scoring_elements 0.65145
published_at 2026-04-02T12:55:00Z
11
value 0.00483
scoring_system epss
scoring_elements 0.65171
published_at 2026-04-04T12:55:00Z
12
value 0.00483
scoring_system epss
scoring_elements 0.65137
published_at 2026-04-07T12:55:00Z
13
value 0.00483
scoring_system epss
scoring_elements 0.65186
published_at 2026-04-08T12:55:00Z
14
value 0.00483
scoring_system epss
scoring_elements 0.65199
published_at 2026-04-09T12:55:00Z
15
value 0.00483
scoring_system epss
scoring_elements 0.65217
published_at 2026-04-11T12:55:00Z
16
value 0.00483
scoring_system epss
scoring_elements 0.65205
published_at 2026-04-12T12:55:00Z
17
value 0.00483
scoring_system epss
scoring_elements 0.65177
published_at 2026-04-13T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2011-4203
3
reference_url https://github.com/moodle/moodle
reference_id
reference_type
scores
0
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/moodle/moodle
4
reference_url https://github.com/moodle/moodle/commit/581e8dba387f090d89382115fd850d8b44351526
reference_id
reference_type
scores
0
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/moodle/moodle/commit/581e8dba387f090d89382115fd850d8b44351526
5
reference_url https://github.com/moodle/moodle/commit/ae7cc577b7115a7ad7a68dc4986aca9e2bda2cf5
reference_id
reference_type
scores
0
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/moodle/moodle/commit/ae7cc577b7115a7ad7a68dc4986aca9e2bda2cf5
6
reference_url https://github.com/moodle/moodle/commit/bc577df6a974606fcb0882b090b00ea5a4e10cf6
reference_id
reference_type
scores
0
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/moodle/moodle/commit/bc577df6a974606fcb0882b090b00ea5a4e10cf6
7
reference_url https://github.com/moodle/moodle/commit/e311b14364719b0f7851149ee51c1a4ec732635e
reference_id
reference_type
scores
0
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/moodle/moodle/commit/e311b14364719b0f7851149ee51c1a4ec732635e
8
reference_url https://moodle.org/mod/forum/discuss.php?d=191754
reference_id
reference_type
scores
0
value MODERATE
scoring_system generic_textual
scoring_elements
url https://moodle.org/mod/forum/discuss.php?d=191754
9
reference_url https://nvd.nist.gov/vuln/detail/CVE-2011-4203
reference_id CVE-2011-4203
reference_type
scores
0
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2011-4203
10
reference_url https://github.com/advisories/GHSA-4w8m-96v9-2c86
reference_id GHSA-4w8m-96v9-2c86
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-4w8m-96v9-2c86
Weaknesses
0
cwe_id 1035
name OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
description Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017.
1
cwe_id 937
name OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
description Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013.
2
cwe_id 94
name Improper Control of Generation of Code ('Code Injection')
description The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
3
cwe_id 113
name Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
description The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers.
4
cwe_id 93
name Improper Neutralization of CRLF Sequences ('CRLF Injection')
description The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.
Exploits
Severity_range_score4.0 - 6.9
Exploitability0.5
Weighted_severity6.2
Risk_score3.1
Resource_urlhttp://public2.vulnerablecode.io/vulnerabilities/VCID-u9f3-sbjk-pygw