Security readout for executives and security teams
Plain-English summary
This CVE describes a command-injection flaw in hwclock.13-v2.27. When setting the date, attacker-controlled path input may allow privilege escalation or arbitrary command execution. The public record lacks CVSS, clear affected product metadata, and named fixed versions, so urgency depends on whether this script/package exists in your estate.
Executive priority
Treat this as a targeted exposure review, not a broad emergency, because affected product data and severity scoring are incomplete. Prioritize systems where date-setting utilities run with elevated privileges or are exposed to less-trusted users.
Technical view
The CVE maps to CWE-78 and cites the path parameter used during date setting in hwclock.13-v2.27. The available record describes privilege escalation or arbitrary command execution but does not provide normalized CPEs, affected vendors, or remediation details. Packet Storm and Debian bug references indicate public technical discussion exists.
Likely exposure
Exposure is most likely where hwclock.13-v2.27, or software derived from it, is installed and reachable by users or processes that can set the date. The CVE data does not identify affected vendors or CPEs.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. Public exploit-oriented material is referenced by Packet Storm, so defenders should assume technical details are public without treating active exploitation as proven.
Researcher notes
Key gaps are missing CVSS, vendor/product CPEs, and fixed-version information. The strongest technical signal is CWE-78 with described path-parameter command execution during date setting; validate against actual deployed code before assigning estate-wide risk.
Mitigation direction
- Inventory systems for hwclock.13-v2.27 or derived scripts.
- Check Debian, NetApp, and relevant vendor guidance for fixes.
- Remove or replace affected local copies if no longer needed.
- Restrict date-setting functionality to trusted administrators only.
- Monitor vendor advisories for corrected packages or workarounds.
Validation and detection
- Confirm whether referenced hwclock code exists on managed systems.
- Review package provenance and local script modifications.
- Check whether untrusted users can influence the path parameter.
- Verify vendor advisory status for appliances or distributions.
- Document compensating controls when no fix is available.
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-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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-2020-21583 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
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 Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.