# CVE-2020-8169: CVE-2020-8169

Status: published. Published: 2020-12-14. Updated: 2026-11-02.

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).

## Remediation

No remediation reported in collected sources

## Affected products and versions

- n/a / https://github.com/curl/curl: libcurl 7.62.0 to and including 7.70.0 (affected). Source: CNA: hackerone
- Siemens / SIMATIC S7-1500 CPU 1518-4 PN/DP MFP: ≥ V3.1.0; < V3.1.5 (affected, custom). Source: ADP: siemens-SADP
- Siemens / SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP: ≥ V3.1.0; < V3.1.5 (affected, custom). Source: ADP: siemens-SADP
- Siemens / SIPLUS S7-1500 CPU 1518-4 PN/DP MFP: ≥ V3.1.0; < V3.1.5 (affected, custom). Source: ADP: siemens-SADP

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: 3.93% as of 2026-11-02; percentile 90.36%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-200

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://hackerone.com/reports/874778 (CNA: hackerone; x_refsource_MISC)

- https://curl.se/docs/CVE-2020-8169.html (CNA: hackerone; x_refsource_MISC)

- https://www.debian.org/security/2021/dsa-4881 (CNA: hackerone; vendor-advisory, x_refsource_DEBIAN)

- https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf (CNA: hackerone; x_refsource_CONFIRM)

- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf (CNA: hackerone; x_refsource_CONFIRM)

- https://hackerone.com/reports/874778 (ADP: CVE; x_refsource_MISC, x_transferred)

- https://curl.se/docs/CVE-2020-8169.html (ADP: CVE; x_refsource_MISC, x_transferred)

- https://www.debian.org/security/2021/dsa-4881 (ADP: CVE; vendor-advisory, x_refsource_DEBIAN, x_transferred)

- https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf (ADP: CVE; x_refsource_CONFIRM, x_transferred)

- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf (ADP: CVE; x_refsource_CONFIRM, x_transferred)

- https://cert-portal.siemens.com/productcert/html/ssa-200951.html (ADP: siemens-SADP)

- https://cert-portal.siemens.com/productcert/html/ssa-389290.html (ADP: siemens-SADP)

- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (ADP: siemens-SADP)

## Provenance

- CNA: hackerone: https://www.cve.org/CVERecord?id=CVE-2020-8169; retrieved 2026-11-02; source updated 2026-11-02

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2020-8169; retrieved 2026-11-02; source updated Not reported

Revision: eeb67827ebfd7dee7352918a5be9f2f78239a8fa164c03f2d45c75a1cf3ded56

Canonical: https://y2.dev/cve/CVE-2020-8169

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.