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CVE Record

CVE-2020-36543: SialWeb CMS about.php sql injection

A vulnerability, which was classified as critical, was found in SialWeb CMS. This affects an unknown part of the file /about.php. The manipulation of the argument Id leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

MediumCVSS 6.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-36543 is a SQL injection issue in SialWeb CMS affecting /about.php through the Id argument. A remote authenticated attacker could potentially affect database confidentiality, integrity, and availability. Public exploit disclosure is reported, but the provided sources do not show confirmed active exploitation or a named fix.

Executive priority

Treat this as a moderate-priority web application risk. It is remotely reachable and publicly disclosed, but requires privileges and has no confirmed active exploitation in the provided evidence. Prioritize internet-facing deployments and unsupported CMS instances.

Technical view

The record maps to CWE-89 and CVSS 3.1 score 6.3: network attack vector, low complexity, low privileges, no user interaction, unchanged scope, and low C/I/A impact. Affected versions are not specified beyond SialWeb CMS, so exposure depends on deployed product identification and route availability.

Likely exposure

Organizations are likely exposed only if they run SialWeb CMS and expose /about.php. The affected version range is not provided, so any discovered SialWeb CMS deployment should be treated as needing vendor verification.

Exploitation context

The CVE description says exploit details have been publicly disclosed and may be used. The source bundle does not identify CISA KEV listing, active exploitation, exploit maturity, affected versions, or a vendor patch.

Researcher notes

Evidence is sparse: affected versions are listed as n/a, the vulnerable code path is only identified as /about.php with Id, and no patch is named. Avoid assuming all SialWeb CMS versions are affected without vendor confirmation.

Mitigation direction

  • Check SialWeb guidance for fixed versions or vendor-approved workarounds.
  • Upgrade or replace affected deployments if vendor guidance identifies a supported fix.
  • Restrict public access to SialWeb CMS pages where business requirements allow.
  • Monitor web and database logs for unusual /about.php activity.
  • Prioritize compensating controls if no supported fix is available.

Validation and detection

  • Inventory websites and applications for SialWeb CMS usage.
  • Confirm whether /about.php is externally reachable.
  • Review logs for suspicious requests involving the Id argument.
  • Verify product version and support status with vendor information.
  • Document whether any compensating controls cover this route.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

CWE-89: Database access and collection lookup

Injection into data stores can inform collection, data access, and exfiltration detection reviews. 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 lookup
description · low confidence lookup

Database behavior lookup

The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2020-36543 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
6.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L2.83.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.3Medium
CVSS 3.1 vector shape for CVE-2020-36543Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
SialWebCMSn/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.