What is the CVSS score of CVE-2020-24996?

CVE-2020-24996 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.1%.

Is there a public PoC exploit available for CVE-2020-24996?

Yes, a public proof-of-concept exploit is available for CVE-2020-24996. Prioritise patching immediately. EPSS: 1.1%.

Xpdf CVE-2020-24996

HIGH

Improper Initialization (CWE-665)

2020-09-03 cve@mitre.org

Denial Of Service Xpdf

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

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:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 03, 2020 - 23:15 nvd

HIGH 7.8

DescriptionNVD

There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

AnalysisAI

There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-665. There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact. Affected products include: Xpdfreader Xpdf.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.