Security readout for executives and security teams
Plain-English summary
CVE-2020-1624 can expose password hashes and shared secrets stored in raw objmon configuration files on Junos OS Evolved. An attacker needs a valid local shell account, so this is mainly an insider, compromised-admin, or post-compromise risk. The impact is confidentiality loss, not direct system takeover.
Executive priority
Treat this as a moderate-priority credential exposure issue. It is not remotely exploitable from the provided evidence, but it can increase blast radius if a local account is compromised. Prioritize internet-edge, shared-administration, and high-trust network devices.
Technical view
Junos OS Evolved versions before 19.1R1 may log or store sensitive configuration data in objmon raw configuration files. A local authenticated shell user can obtain hashed login passwords and shared secrets. The issue maps to CWE-532 and has CVSS 3.1 score 5.5: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Likely exposure
Exposure is limited to organizations running Junos OS Evolved before 19.1R1 where users have local shell access. Devices without local shell users, or already upgraded past the affected range, are less likely to be exposed based on the provided sources.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not listed as KEV. Exploitation requires local authenticated shell access. The main risk is that obtained hashes or shared secrets could support credential attacks or broader compromise if secrets are weak, reused, or not rotated.
Researcher notes
Evidence supports a local information disclosure condition affecting Junos OS Evolved before 19.1R1. The bundle does not provide exploit details, observed exploitation, or broader affected CPE data. Focus assessment on local shell exposure, sensitive file handling, and post-remediation secret rotation decisions.
Mitigation direction
- Upgrade affected Junos OS Evolved systems to 19.1R1 or later, following Juniper guidance.
- Restrict local shell access to administrators with a clear operational need.
- Review vendor advisory JSA11003 for any environment-specific remediation instructions.
- Rotate exposed or potentially exposed passwords and shared secrets if compromise is suspected.
Validation and detection
- Inventory Junos OS Evolved devices and identify versions earlier than 19.1R1.
- Review which accounts have local shell access on affected systems.
- Check whether objmon raw configuration files are accessible to non-essential local users.
- Confirm remediation by verifying the installed Junos OS Evolved release after maintenance.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-532: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2020-1624 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.
Insertion of Sensitive Information into Log File
Insertion of Sensitive Information into Log File represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.