Security readout for executives and security teams
Plain-English summary
CVE-2020-1622 is a confidentiality issue in Juniper Junos OS Evolved before 19.1R1. A logged-in local user with shell access could obtain hashed login passwords and shared secrets from EvoSharedObjStore. This is not a remote internet-facing bug, but it increases insider and post-compromise risk.
Executive priority
Treat this as a moderate-priority network infrastructure issue. It is not described as remotely exploitable, but leaked password hashes and shared secrets can worsen a breach. Prioritize affected devices with broad shell access or sensitive network roles.
Technical view
The CVE describes exposure of sensitive stored values through EvoSharedObjStore to a local authenticated shell user. CVSS 3.1 is 5.5, with local attack vector, low complexity, low privileges required, no user interaction, unchanged scope, and high confidentiality impact only.
Likely exposure
Exposure is limited to organizations running Juniper Networks Junos OS Evolved versions prior to 19.1R1, where users or processes have shell access. Standard Junos OS is not named in the provided affected product list.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Abuse would require local authenticated shell access, so practical risk is highest after credential compromise, excessive administrator access, or misuse by a trusted user.
Researcher notes
Evidence is limited to the CVE metadata and Juniper reference in the bundle. Do not claim remote exploitation or active exploitation from these sources. Key validation is version-based exposure plus review of local shell access paths and secret-rotation needs.
Mitigation direction
- Upgrade Junos OS Evolved systems running versions prior to 19.1R1.
- Confirm the correct fixed release and guidance in Juniper advisory JSA11003.
- Restrict shell access to only users with a clear operational need.
- Review and remove stale local accounts and unnecessary administrative access.
- Rotate affected passwords or shared secrets where exposure is plausible.
Validation and detection
- Inventory Junos OS Evolved devices and record exact release versions.
- Identify any systems running releases earlier than 19.1R1.
- Review who has shell access on affected devices.
- Check whether privileged or shared secrets require rotation after remediation.
- Document remediation status against Juniper advisory JSA11003.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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Open ATT&CK lookupCVE-2020-1622 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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:L/PR:L/UI:N/S:U/C:H/I:N/A:N1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.juniper.net/JSA11003CVE 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.
Improper Control of a Resource Through its Lifetime
Improper Control of a Resource Through its Lifetime represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.