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CVE-2020-27657
Cleartext transmission of sensitive information vulnerability in DDNS in Synology Router Manager (SRM) before 1.2.4-8081 allows…
Medium6.5EPSS 0.58%
- Published
- Updated
- Reserved
- Assigned by
- synology
Description
Cleartext transmission of sensitive information vulnerability in DDNS in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to eavesdrop authentication information of DNSExit via unspecified vectors.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| synologyCNA (assigner) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.58% · top 52% of all CVEs (7 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
Synology · Synology Router Manager (SRM)
- affected unspecified – < 1.2.4-8081
References (2)
- https://www.synology.com/security/advisory/Synology_SA_20_14 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1071 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2020-27657)Record last updated .