CVE-2020-8169

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Summary

CVECVE-2020-8169
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-12-14 20:15:13 UTC
Updated2026-10-14 09:17:19 UTC
Descriptioncurl 7.62.0 through 7.70.0 is vulnerable to an information disclosure vulnerability that can lead to a partial password being leaked over the network and to the DNS server(s).

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem Types: CWE-200 | CWE-200 Information Disclosure (CWE-200)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:L/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Application Haxx Curl All All All All
Hardware Siemens Simatic Tim 1531 Irc - All All All
Operating System Siemens Simatic Tim 1531 Irc Firmware All All All All
Application Siemens Sinec Infrastructure Network Services All All All All
Application Splunk Universal Forwarder All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Https//github.com/curl/curl affected libcurl 7.62.0 to and including 7.70.0 Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
cert-portal.siemens.com/productcert/html/ssa-200951.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
cert-portal.siemens.com/productcert/html/ssa-389290.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
Debian -- Security Information -- DSA-4881-1 curl af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
HackerOne af854a3a-2127-422b-91ae-364da2661108 hackerone.com Exploit, Third Party Advisory
cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com Patch, Third Party Advisory
curl - Partial password leak over DNS on HTTP redirect - CVE-2020-8169 af854a3a-2127-422b-91ae-364da2661108 curl.se Vendor Advisory
cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 12304 McAfee Web Gateway Product Multiple Vulnerabilities (WP-2326,WP-3443)
  • 178522 Debian Security Update for curl (DSA 4881-1)
  • 239451 Red Hat Update for Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP8 (RHSA-2021:2472)
  • 378599 Splunk Enterprise Third Party Package Updates for June (SVD-2023-0613)
  • 378883 Splunk Enterprise August Third Party Package Updates (SVD-2023-0808)
  • 500130 Alpine Linux Security Update for curl
  • 501394 Alpine Linux Security Update for curl
  • 503886 Alpine Linux Security Update for curl
  • 590737 Siemens SIMATIC TIM libcurl Multiple Vulnerabilities (ICSA-21-159-10)
  • 590738 Siemens Industrial Products LLDP Multiple Vulnerabilities (ICSA-21-194-07)
  • 591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
  • 690508 Free Berkeley Software Distribution (FreeBSD) Security Update for curl (6bff5ca6-b61a-11ea-aef4-08002728f74c)
  • 900153 CBL-Mariner Linux Security Update for curl 7.68.0
  • 902941 Common Base Linux Mariner (CBL-Mariner) Security Update for curl (3664)

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