CVE-2020-8169

Exp

curl 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).

Published: 2020-12-14 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-8169 is rated High Exploit Risk (78.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.43%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.38% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2020-8169

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2020-8169

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.05% 3.43% +3.38%
2 2026-03-04 0.04% 0.05% +0.01%
3 2026-03-01 — 0.04% —

Full EPSS history (47 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-8169

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2020-8169

OS Trackers for CVE-2020-8169

vendor priority summary link
alpine — CVE-2020-8169: 1 source package rows (curl); 35 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 15, open 20. https://security.alpinelinux.org/vuln/CVE-2020-8169
debian not yet assigned CVE-2020-8169 not yet assigned priority: Debian including 1 source packages (curl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2020-8169
gentoo normal CVE-2020-8169: 1 GLSA(s) (202007-16), 1 atom(s) (net-misc/curl); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-8169
redhat medium — https://access.redhat.com/security/cve/CVE-2020-8169
suse medium CVE-2020-8169 severity moderate: SUSE including 369 source package names (0.21.0.3.2.10:libcurl4-7.66.0-4.3.1, 0.38.1:libcurl4-7.66.0-4.3.1, …), 559 product×package rows across 159 product lines (Container bci/bci-init, Container bci/dotnet-aspnet, … (159 product lines)): Fixed 339, Known Affected 157, Known Not Affected 63. https://www.suse.com/security/cve/CVE-2020-8169/
ubuntu medium CVE-2020-8169 medium priority: Ubuntu including 1 source packages (curl), 6 status rows across 6 suites (bionic, eoan, focal, trusty, upstream, xenial): not-affected 3, released 2, needs-triage 1. https://ubuntu.com/security/CVE-2020-8169

Affected software / configurations for CVE-2020-8169

Vendor Product Version Raw CPE
haxx curl >= 7.62.0, <= 7.70.0 cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*
siemens simatic_tim_1531_irc_firmware < 2.2 cpe:2.3:o:siemens:simatic_tim_1531_irc_firmware:*:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
siemens sinec_infrastructure_network_services < 1.0.1.1 cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*
splunk universal_forwarder >= 8.2.0, < 8.2.12 cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*
splunk universal_forwarder >= 9.0.0, < 9.0.6 cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*
splunk universal_forwarder 9.1.0 cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*

References for CVE-2020-8169

cvelogic Threat Intelligence