Security readout for executives and security teams
E2fsck, part of E2fsprogs, can be compromised when processing a maliciously corrupted ext4 directory during directory rehashing. The business risk is highest where systems or appliances check attacker-influenced storage, images, or partitions. The source bundle does not show internet-remote or active exploitation. Linux systems, recovery environments, appliances, and storage workflows using affected E2fsprogs versions may be exposed when running e2fsck on untrusted or attacker-corrupted ext4 filesystems. Exposure is narrower than network-facing bugs because the CVSS vector is local, high complexity, and high privileges. Treat this as a high-priority maintenance and workflow-hardening issue, especially for storage, support, forensic, and appliance environments. It is not presented as a broadly internet-exposed emergency, but affected systems should be patched because successful exploitation can affect confidentiality, integrity, and availability. Mitigation focus: Update E2fsprogs using affected distribution or vendor security advisories.; Prioritize systems that inspect removable media, disk images, or externally supplied partitions.; Check appliance vendors, including NetApp guidance, for product-specific exposure and fixes..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-787: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
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Open ATT&CK lookupCVE-2019-5188 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H0.86Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- FEDORA-2020-a724cc7926CVE reference · vendor-advisory, x_refsource_FEDORA
- USN-4249-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- FEDORA-2020-01ed02451fCVE reference · vendor-advisory, x_refsource_FEDORA
- [debian-lts-announce] 20200324 [SECURITY] [DLA 2156-1] e2fsprogs security updateCVE reference · mailing-list, x_refsource_MLIST
- [debian-lts-announce] 20200726 [SECURITY] [DLA 2290-1] e2fsprogs security updateCVE reference · mailing-list, x_refsource_MLIST
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0973CVE reference · x_refsource_CONFIRM
- https://security.netapp.com/advisory/ntap-20220506-0001/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.