CVE-2015-20107 (GCVE-0-2015-20107)
Vulnerability from cvelistv5 – Published: 2022-04-13 00:00 – Updated: 2026-10-08 00:10
VLAI
EPSS
VEX
Summary
In Python (aka CPython) up to 3.10.8, the mailcap module does not add escape characters into commands discovered in the system mailcap file. This may allow attackers to inject shell commands into applications that call mailcap.findmatch with untrusted input (if they lack validation of user-provided filenames or arguments). The fix is also back-ported to 3.7, 3.8, 3.9
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 21:22 UTC
CWE
- n/a
- CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
30 references
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"value": "En Python (tambi\u00e9n conocido como CPython) hasta la versi\u00f3n 3.10.8, el m\u00f3dulo mailcap no a\u00f1ade caracteres de escape en los comandos descubiertos en el archivo mailcap del sistema. Esto puede permitir a los atacantes inyectar comandos de shell en aplicaciones que llamen a mailcap.findmatch con entradas no confiables (si carecen de validaci\u00f3n de los nombres de archivos o argumentos proporcionados por el usuario). La correcci\u00f3n tambi\u00e9n se ha aplicado a las versiones 3.7, 3.8 y 3.9"
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},
{
"tags": [
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],
"url": "https://python-security.readthedocs.io/vuln/mailcap-shell-injection.html"
},
{
"name": "GLSA-202305-02",
"tags": [
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"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202305-02"
},
{
"name": "[debian-lts-announce] 20230524 [SECURITY] [DLA 3432-1] python2.7 security update",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html"
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{
"name": "[debian-lts-announce] 20230630 [SECURITY] [DLA 3477-1] python3.7 security update",
"tags": [
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"url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00039.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html"
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],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"version": "2.0.3"
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{
"url": "https://security.netapp.com/advisory/ntap-20220616-0001/"
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/53TQZFLS6O3FLIMVSXFEEPZSWLDZLBOX/"
},
{
"name": "FEDORA-2022-d1682fef04",
"tags": [
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXF6MQ74HVIDDSR5AE2UDR24I6D4FEPC/"
},
{
"name": "FEDORA-2022-79843dfb3c",
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"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2015-20107",
"datePublished": "2022-04-13T00:00:00.000Z",
"dateReserved": "2022-04-13T00:00:00.000Z",
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"state": "PUBLISHED"
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}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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