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CVE Record

CVE-2021-1282: Cisco Unified Communications Products Vulnerabilities

Multiple vulnerabilities in Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an attacker to conduct path traversal attacks and SQL injection attacks on an affected system. One of the SQL injection vulnerabilities that affects Unified CM IM&P also affects Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) and could allow an attacker to conduct SQL injection attacks on an affected system. For more information about these vulnerabilities, see the Details section of this advisory.

MediumCVSS 6.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-1282 covers Cisco unified communications flaws that could let a logged-in network attacker read sensitive data through path traversal or SQL injection. The available record rates it medium severity because exploitation requires privileges, but confidentiality impact is high for affected communications systems.

Executive priority

Treat as a scheduled but important remediation item for communications infrastructure. Privileges are required, reducing urgency, but successful exploitation could expose sensitive communications-related data.

Technical view

The CVE describes path traversal and SQL injection issues in Cisco Unified CM IM&P, plus one SQL injection issue affecting Unified CM and Unified CM SME. CVSS 3.1 is 6.5: network reachable, low complexity, low privileges required, no user interaction, high confidentiality impact only.

Likely exposure

Exposure is most likely in organizations running affected Cisco unified communications infrastructure, especially Unified CM IM&P, Unified CM, or Unified CM SME. The source bundle does not identify affected versions, deployment defaults, or internet exposure patterns.

Exploitation context

The CVE record does not indicate CISA KEV listing or active exploitation. Exploitation is described as requiring a privileged attacker with network access. No public exploit status is established by the provided sources.

Researcher notes

Evidence is limited to the CVE summary, CVSS vector, CWE-35 tag, and Cisco advisory reference. The bundle does not provide fixed versions, endpoint details, exploitability notes, or proof-of-concept information.

Mitigation direction

  • Review Cisco advisory cisco-sa-imp-trav-inj-dM687ZD6 for affected and fixed releases.
  • Inventory Unified CM IM&P, Unified CM, and Unified CM SME deployments.
  • Apply Cisco-supported upgrades or workarounds if the advisory specifies them.
  • Restrict access to communications administration interfaces while remediation is planned.

Validation and detection

  • Confirm whether deployed product versions match Cisco advisory affected ranges.
  • Verify remediation status against Cisco fixed-release guidance.
  • Review logs for unusual authenticated access or database error patterns.
  • Document any systems awaiting vendor-approved remediation.
Prepared
Confidence
medium
Sources
3

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-35: File access and web shell behavior lookup

File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection 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 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
description · low confidence lookup

File 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 lookup
cve · low confidence lookup

CVE-2021-1282 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
6.5 (3.1)
Known Exploited
No
Published

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

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
2Source 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
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N2.83.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2021-1282Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
CiscoCisco Unified Communications Managern/aListed
Weakness

CWE details

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

CWE-35 · source CWE mapping

Path Traversal: '.../...//'

Path Traversal: '.../...//' represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.