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CVE-2019-7477

A vulnerability in SonicWall SonicOS and SonicOSv TLS CBC Cipher allow remote attackers to obtain sensitive plaintext data when CBC cipher…

Description

A vulnerability in SonicWall SonicOS and SonicOSv TLS CBC Cipher allow remote attackers to obtain sensitive plaintext data when CBC cipher suites are enabled. This vulnerability affected SonicOS Gen 5 version 5.9.1.10 and earlier, Gen 6 version 6.2.7.3, 6.5.1.3, 6.5.2.2, 6.5.3.1, 6.2.7.8, 6.4.0.0, 6.5.1.8, 6.0.5.3-86o and SonicOSv 6.5.0.2-8v_RC363 (VMWARE), 6.5.0.2.8v_RC367 (AZURE), SonicOSv 6.5.0.2.8v_RC368 (AWS), SonicOSv 6.5.0.2.8v_RC366 (HYPER_V).

Timeline

  1. ID reserved

    By sonicwall

  2. · 55 days later

    Published

  3. · 5 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2019-7477, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
1.2% · top 32% of all CVEs (9 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Affected products

  • SonicWall · SonicOS

    • affected 5.9.1.10 and earlier
    • affected 6.2.7.3
    • affected 6.5.1.3
    • affected 6.5.2.2
    • affected 6.5.3.1
    • affected 6.2.7.8
    • affected 6.4.0.0
    • affected 6.5.1.8
    • affected 6.0.5.3-86o
  • SonicWall · SonicOSv

    • affected 6.5.0.2-8v_RC363 (VMWARE)
    • affected 6.5.0.2.8v_RC367 (AZURE)
    • affected 6.5.0.2.8v_RC368 (AWS)
    • affected 6.5.0.2.8v_RC366 (HYPER_V)

References

1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2019-7477 badge
[![CVE-2019-7477](https://cveledger.app/badge/CVE-2019-7477.svg)](https://cveledger.app/cve/CVE-2019-7477)

Record last updated .