What is the CVSS score of CVE-2020-26513?

CVE-2020-26513 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.9%.

Is there a public PoC exploit available for CVE-2020-26513?

Yes, a public proof-of-concept exploit is available for CVE-2020-26513. Prioritise patching immediately. EPSS: 0.9%.

Codebeamer CVE-2020-26513

MEDIUM

Improper Restriction of XML External Entity Reference (CWE-611)

2020-12-07 cve@mitre.org

XXE Codebeamer

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Dec 07, 2020 - 16:15 nvd

MEDIUM 5.5

DescriptionNVD

An issue was discovered in Intland codeBeamer ALM 10.x through 10.1.SP4. The ReqIF XML data, used by the codebeamer ALM application to import projects, is parsed by insecurely configured software components, which can be abused for XML External Entity Attacks.

AnalysisAI

An issue was discovered in Intland codeBeamer ALM 10.x through 10.1.SP4. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. An issue was discovered in Intland codeBeamer ALM 10.x through 10.1.SP4. The ReqIF XML data, used by the codebeamer ALM application to import projects, is parsed by insecurely configured software components, which can be abused for XML External Entity Attacks. Affected products include: Intland Codebeamer. Version information: through 10.1..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.