Security readout for executives and security teams
Plain-English summary
CVE-2021-31679 is a CSRF issue reported in PESCMS-V2.3.3. A successful attack could cause deletion of admin or member accounts if a privileged user is tricked into performing an unintended action. Public scoring, patch details, and vendor impact data are not provided in the source bundle.
Executive priority
Treat as a targeted integrity and availability risk for sites using PESCMS-V2.3.3. Prioritize inventory and admin-surface reduction first, then follow official project guidance when available.
Technical view
The CVE record describes cross-site request forgery affecting account deletion behavior in PESCMS-V2.3.3. The reported impact is deletion of administrator and other member account numbers. The sources do not provide CVSS, CWE mapping, affected CPEs, proof of active exploitation, or confirmed fixed versions.
Likely exposure
Exposure is most likely where PESCMS-V2.3.3 is deployed and administrative users access the application through a browser. Risk is higher if the admin interface is internet-accessible or used from unmanaged workstations.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. The issue class suggests attacker success may depend on inducing an authenticated privileged user to trigger an unintended account-deletion request.
Researcher notes
Evidence is sparse: no CVSS vector, CWE, CPE, patch version, or exploitation confirmation is present in the provided sources. Analysis should remain limited to PESCMS-V2.3.3 and the reported CSRF-driven account deletion behavior.
Mitigation direction
- Inventory any PESCMS-V2.3.3 deployments.
- Check project or vendor guidance for fixed versions or official patches.
- Restrict administrative access to trusted networks or VPN.
- Review account deletion workflows for CSRF protections before production changes.
- Monitor for unexpected administrator or member account deletions.
Validation and detection
- Confirm whether PESCMS-V2.3.3 exists in the environment.
- Review administrative account deletion logs for unexplained activity.
- Check whether admin routes are exposed to the internet.
- Verify project references for any fixed release or maintainer guidance.
- Confirm backups or recovery paths for deleted admin accounts.
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.
CVE-2021-31679 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
- CVE List V5 sourceCVE List V5
- https://github.com/two-kisses/pescms_vulnerability%2CCVE reference · x_refsource_MISC
- https://github.com/lazyphp/PESCMS-TEAM/issues/7CVE reference · x_refsource_MISC
- https://github.com/RO6OTXX/pescms_vulnerabilityCVE reference · x_refsource_MISC
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.
