PatchTheCVECVE-2020-11944: Abe (aka bitcoin-abe) through 0.7.2, and 0.8pre, allows XSS in __call__ in abe.py because the PATH_INFO enviro
CVE-2020-11944 is a medium-severity flaw (CVSS 6.1) affecting bitcoin-abe. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.2% (top 31%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2020-04-20 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-11944?
bitcoin-abe: upgrade to newer than 0.7.2. Exact commands for each OS are on this page.
Is CVE-2020-11944 being exploited?
CVE-2020-11944 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-11944 affect?
CVE-2020-11944 affects bitcoin-abe. Severity is medium (CVSS 6.1). 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 urgent is CVE-2020-11944?
Priority 39/100. No elevated risk signals yet.