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CVE-2022-27780 (GCVE-0-2022-27780)

Vulnerability from cvelistv5 – Published: 2022-06-01 00:00 – Updated: 2024-08-07 19:09
VLAI
Summary
The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a *different* URL usingthe wrong host name when it is later retrieved.For example, a URL like `http://example.com%2F127.0.0.1/`, would be allowed bythe parser and get transposed into `http://example.com/127.0.0.1/`. This flawcan be used to circumvent filters, checks and more.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-26 20:10 UTC
CWE
  • CWE-177 - Improper Handling of URL Encoding (Hex Encoding) (CWE-177)
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a https://github.com/curl/curl Affected: Fixed in 7.83.1
haxx curl Affected: 0 , < 7.86.0 (custom)
    cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*
Create a notification for this product.
netapp solidfire_\&_hci_storage_node Affected: 0
    cpe:2.3:a:netapp:solidfire_\&_hci_storage_node:*:*:*:*:*:*:*:*
Create a notification for this product.
netapp ontap_9 Affected: 0
    cpe:2.3:a:netapp:ontap_9:*:*:*:*:*:*:*:*
Create a notification for this product.
netapp solidfire_\&_hci_management_node Affected: h300s
Affected: h410s
Affected: h500s
Affected: h700s
    cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:*
    cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:*
    cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:*
    cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:*
Create a notification for this product.
netapp hci_bootstrap_os Affected: 0
    cpe:2.3:o:netapp:hci_bootstrap_os:*:*:*:*:*:*:*:*
Create a notification for this product.
netapp solidfire_\&_hci_management_node Affected: 0
    cpe:2.3:a:netapp:solidfire_\&_hci_management_node:*:*:*:*:*:*:*:*
Create a notification for this product.
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T22:48:43+00:00",
      "cve": "CVE-2022-27780",
      "id": "CVE-2022-27780",
      "initial_release_date": "2022-05-11T00:00:00+00:00",
      "product_status:known_affected": "8",
      "product_status:known_not_affected": "23",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "curl: percent-encoded path separator in URL host",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-27780.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T01:44:45Z",
      "cve": "CVE-2022-27780",
      "id": "CVE-2022-27780",
      "initial_release_date": "2023-02-15T03:26:44Z",
      "product_status:known_affected": "304",
      "product_status:known_not_affected": "221",
      "product_status:recommended": "172",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-27780",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-27780.json",
      "version": "53"
    },
    "vulnrichment": {
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.


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.