How severe is CVE-2020-11944?

CVE-2020-11944 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-11944 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11944?

CVE-2020-11944 primarily affects Bitcoin-abe Project Bitcoin-abe. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11944?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-11944 published?

CVE-2020-11944 was published on 2020-04-20 and last updated on 2026-06-17.

CVE-2020-11944

CVE-2020-11944 is a medium-severity vulnerability in Bitcoin-abe Project Bitcoin-abe with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Bitcoin-abe Project Bitcoin-abe
Published: 2020-04-20
Last modified: 2026-06-17

Description

Abe (aka bitcoin-abe) through 0.7.2, and 0.8pre, allows XSS in __call__ in abe.py because the PATH_INFO environment variable is mishandled during a PageNotFound exception.

Frequently asked questions

What is CVE-2020-11944?: Abe (aka bitcoin-abe) through 0.7.2, and 0.8pre, allows XSS in __call__ in abe.py because the PATH_INFO environment variable is mishandled during a PageNotFound exception.
How severe is CVE-2020-11944?: CVE-2020-11944 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-11944 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11944?: CVE-2020-11944 primarily affects Bitcoin-abe Project Bitcoin-abe. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11944?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-11944 published?: CVE-2020-11944 was published on 2020-04-20 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:bitcoin-abe_project:bitcoin-abe:*:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin-abe_project:bitcoin-abe:0.8:pre:*:*:*:*:*:*

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