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CVE-2020-23879

24
FAUCET Score

CVE-2020-23879 describes a NULL pointer dereference vulnerability in pdf2json version 0.71, specifically within the ObjectStream::getObject component. This flaw carries a high CVSS score of 7.5, indicating it can be exploited remotely without user interaction to cause a denial of service. There is currently no evidence of active exploitation, nor are there publicly available exploit tools like Metasploit or Nuclei modules. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
0.71CPE matchmatch criteria
cpe:2.3:a:flowpaper:pdf2json:0.71:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.36%
Probability of exploitation in next 30 days
EPSS Percentile
68.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0136 is in the 49th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / Aurorainfinity/Poc/tree/master/pdf2json
ExploitThird Party Advisory
github.com / flexpaper/pdf2json/issues/44
ExploitThird Party Advisory