CVE-2021-28963

View on CVE.org

Published Mar 22, 2021 CVSS 3.1 · 5.3 Medium EPSS 1.3% KEV · Not listed

Description

Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:shibboleth:service_provider:*:*:*:*:*:*:*:*

Configuration 2 [-]

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-15612	Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.
Ubuntu USN	USN-4925-1	Shibboleth vulnerability

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.3% (1.305% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://bugs.debian.org/985405
https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=d1dbebfadc1bdb824fea63843c4c38fa69e54379
https://issues.shibboleth.net/jira/browse/SSPCPP-922
https://shibboleth.net/community/advisories/secadv_20210317.txt
https://www.debian.org/security/2021/dsa-4872

History

No history.

Subscriptions

Debian Debian Linux

Shibboleth Service Provider

Weaknesses

CWE-74

Sources

CVE record Updated: Aug 3, 2024, 9:55 PM

Status: PUBLISHED
Assigner: mitre
Published: Mar 22, 2021, 7:02 AM
Updated: Aug 3, 2024, 9:55 PM
Reserved: Mar 22, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:47 AM

Status: Modified
Published: Mar 22, 2021, 8:15 AM
Modified: Jun 17, 2026, 3:47 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-03-22T07:02:05.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugs.debian.org/985405"}, {"tags": ["x_refsource_MISC"], "url": "https://shibboleth.net/community/advisories/secadv_20210317.txt"}, {"tags": ["x_refsource_MISC"], "url": "https://issues.shibboleth.net/jira/browse/SSPCPP-922"}, {"tags": ["x_refsource_MISC"], "url": "https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=d1dbebfadc1bdb824fea63843c4c38fa69e54379"}, {"tags": ["x_refsource_MISC"], "url": "https://www.debian.org/security/2021/dsa-4872"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-28963", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://bugs.debian.org/985405", "refsource": "MISC", "url": "https://bugs.debian.org/985405"}, {"name": "https://shibboleth.net/community/advisories/secadv_20210317.txt", "refsource": "MISC", "url": "https://shibboleth.net/community/advisories/secadv_20210317.txt"}, {"name": "https://issues.shibboleth.net/jira/browse/SSPCPP-922", "refsource": "MISC", "url": "https://issues.shibboleth.net/jira/browse/SSPCPP-922"}, {"name": "https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=d1dbebfadc1bdb824fea63843c4c38fa69e54379", "refsource": "MISC", "url": "https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=d1dbebfadc1bdb824fea63843c4c38fa69e54379"}, {"name": "https://www.debian.org/security/2021/dsa-4872", "refsource": "MISC", "url": "https://www.debian.org/security/2021/dsa-4872"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T21:55:12.374Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugs.debian.org/985405"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://shibboleth.net/community/advisories/secadv_20210317.txt"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://issues.shibboleth.net/jira/browse/SSPCPP-922"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=d1dbebfadc1bdb824fea63843c4c38fa69e54379"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.debian.org/security/2021/dsa-4872"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-28963", "datePublished": "2021-03-22T07:02:05.000Z", "dateReserved": "2021-03-22T00:00:00.000Z", "dateUpdated": "2024-08-03T21:55:12.374Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:shibboleth:service_provider:*:*:*:*:*:*:*:*", "matchCriteriaId": "53FA3F6E-6575-4BD2-AD06-EE72FD44E560", "versionEndExcluding": "3.2.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters."}, {"lang": "es", "value": "Shibboleth Service Provider versiones anteriores a 3.2.1, permite una inyecci\u00f3n de contenido porque la generaci\u00f3n de plantillas usa par\u00e1metros controlados por atacantes"}], "id": "CVE-2021-28963", "lastModified": "2026-06-17T03:47:05.517", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-22T08:15:13.247", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://bugs.debian.org/985405"}, {"source": "cve@mitre.org", "url": "https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=d1dbebfadc1bdb824fea63843c4c38fa69e54379"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://issues.shibboleth.net/jira/browse/SSPCPP-922"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://shibboleth.net/community/advisories/secadv_20210317.txt"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4872"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://bugs.debian.org/985405"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=d1dbebfadc1bdb824fea63843c4c38fa69e54379"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://issues.shibboleth.net/jira/browse/SSPCPP-922"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://shibboleth.net/community/advisories/secadv_20210317.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4872"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "nvd@nist.gov", "type": "Primary"}]}