How severe is CVE-2020-23872?

CVE-2020-23872 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-23872 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23872?

CVE-2020-23872 affects Science-miner Pdf2xml. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23872?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-23872 published?

CVE-2020-23872 was published on 2021-11-10 and last updated on 2026-06-17.

CVE-2020-23872

CVE-2020-23872 is a high-severity vulnerability in Science-miner Pdf2xml with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Science-miner Pdf2xml
Published: 2021-11-10
Last modified: 2026-06-17

Description

A NULL pointer dereference in the function TextPage::restoreState of pdf2xml v2.0 allows attackers to cause a denial of service (DoS).

Frequently asked questions

What is CVE-2020-23872?: A NULL pointer dereference in the function TextPage::restoreState of pdf2xml v2.0 allows attackers to cause a denial of service (DoS).
How severe is CVE-2020-23872?: CVE-2020-23872 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-23872 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23872?: CVE-2020-23872 affects Science-miner Pdf2xml. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23872?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-23872 published?: CVE-2020-23872 was published on 2021-11-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:science-miner:pdf2xml:2.0:*:*:*:*:*:*:*

More vulnerabilities in Science-miner Pdf2xml

CVE-2020-23877 — Critical (CVSS 9.8): pdf2xml v2.0 was discovered to contain a stack buffer overflow in the component getObjectStream.
CVE-2020-23874 — Critical (CVSS 9.8): pdf2xml v2.0 was discovered to contain a heap-buffer overflow in the function TextPage::addAttributsNode.
CVE-2020-23873 — Critical (CVSS 9.8): pdf2xml v2.0 was discovered to contain a heap-buffer overflow in the function TextPage::dump.
CVE-2020-23876 — High (CVSS 7.5): pdf2xml v2.0 was discovered to contain a memory leak in the function TextPage::testLinkedText.

All CVEs affecting Science-miner Pdf2xml →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

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CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →