cve-2022-20805
Vulnerability from cvelistv5
Published
2022-04-21 18:51
Modified
2024-11-06 16:21
Severity ?
EPSS score ?
Summary
Cisco Umbrella Secure Web Gateway File Decryption Bypass Vulnerability
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
▼ | Cisco | Cisco Umbrella Insights Virtual Appliance |
Version: n/a |
|
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This vulnerability is due to how the decryption function uses the TLS Sever Name Indication (SNI) extension of an HTTP request to discover the destination domain and determine if the request needs to be decrypted. An attacker could exploit this vulnerability by sending a crafted request over TLS from a client to an unknown or controlled URL. A successful exploit could allow an attacker to bypass the decryption process of Cisco Umbrella SWG and allow malicious content to be downloaded to a host on a protected network. 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There are workarounds that address this vulnerability." } ] }, "exploit": [ { "lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory." } ], "impact": { "cvss": { "baseScore": "4.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N", "version": "3.0" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-693" } ] } ] }, "references": { "reference_data": [ { "name": "20220420 Cisco Umbrella Secure Web Gateway File Decryption Bypass Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uswg-fdbps-xtTRKpp6" } ] }, "source": { "advisory": "cisco-sa-uswg-fdbps-xtTRKpp6", "defect": [ [ "CSCwb04953" ] ], "discovery": "INTERNAL" } } } }, "cveMetadata": { "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2022-20805", "datePublished": "2022-04-21T18:51:03.084836Z", "dateReserved": "2021-11-02T00:00:00", "dateUpdated": "2024-11-06T16:21:48.830Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2022-20805\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2022-04-21T19:15:08.847\",\"lastModified\":\"2024-11-21T06:43:35.473\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the automatic decryption process in Cisco Umbrella Secure Web Gateway (SWG) could allow an authenticated, adjacent attacker to bypass the SSL decryption and content filtering policies on an affected system. 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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.