Security readout for executives and security teams
Plain-English summary
Supsystic Backup 2.3.9 for WordPress has a file inclusion/path traversal issue that may let unauthenticated attackers read or delete files outside the intended backup path. Business impact is potential exposure of sensitive server or WordPress files and disruption if important files are removed. Evidence names version 2.3.9 only.
Executive priority
Prioritize validation on externally reachable WordPress sites because the issue can expose sensitive files and has a public exploit reference. Escalate remediation if version 2.3.9 is found, but current sources do not prove active exploitation.
Technical view
The source bundle describes a CWE-98 flaw in Supsystic Backup 2.3.9 involving manipulated backup download/removal parameters in admin.php handling. The CVSS v4.0 score is 6.9, but the vector lists AV:L while the description says unauthenticated attackers, so remote exposure details are not fully clear from the provided sources.
Likely exposure
WordPress sites running Supsystic Backup version 2.3.9 are the identified exposure group. The bundle does not identify other versions, forks, or hosted services as affected.
Exploitation context
A public ExploitDB reference exists, so proof-of-concept information is public. The bundle does not show CISA KEV listing or confirmed active exploitation. Treat internet-facing WordPress deployments as higher priority until plugin presence and version are confirmed.
Researcher notes
The provided data has an exposure inconsistency: CVSS uses AV:L, while the narrative says unauthenticated attackers can manipulate admin.php requests. Do not broaden affected versions beyond 2.3.9 without vendor or advisory evidence.
Mitigation direction
- Identify and remove or disable Supsystic Backup 2.3.9 where present.
- Check Supsystic or WordPress plugin guidance for a fixed version or migration path.
- Restrict administrative WordPress access paths where operationally feasible.
- Review backup plugin permissions and stored file locations.
- Preserve logs before making changes if compromise is suspected.
Validation and detection
- Inventory WordPress installations for the Supsystic Backup plugin.
- Confirm the installed plugin version is not 2.3.9.
- Review web and WordPress logs for unusual backup download or removal requests.
- Check for unexpected missing files in WordPress and backup directories.
- Verify any vendor-recommended update or removal completed successfully.
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-98: 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 lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-37246 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
- 6.9 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA: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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N——VulnCheckCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N2.53.6VulnCheckVulnerability scoring details
Base CVSS 4.0 score
6.9MediumVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Base CVSS 3.1 score
6.2MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-49545CVE reference, VulnCheck · exploit
- Official Product HomepageCVE reference, VulnCheck · product
- Product ReferenceCVE reference, VulnCheck · product
- VulnCheck Advisory: WordPress Plugin Supsystic Backup 2.3.9 Local File InclusionCVE reference, VulnCheck · third-party-advisory
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 Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.