CVE-2020-28463
mediumpriority · track · 26EPSS 0.013 · 71 %ileEURUUSEPSS · scored 2026-10-27
All versions of package reportlab are vulnerable to Server-side Request Forgery (SSRF) via img tags. In order to reduce risk, use trustedSchemes & trustedHosts (see in Reportlab's documentation) Steps to reproduce by Karan Bamal: 1. Download and install the latest package of reportlab 2. Go to demos -> odyssey -> dodyssey 3. In the text file odyssey.txt that needs to be converted to pdf inject <img src="http://127.0.0.1:5000" valign="top"/> 4. Create a nc listener nc -lp 5000 5. Run python3 dodyssey.py 6. You will get a hit on your nc showing we have successfully proceded to send a server side request 7. dodyssey.py will show error since there is no img file on the url, but we are able to do SSRF
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (13)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- GHSA-mpvw-25mg-59vxServer-side Request Forgery (SSRF) via img tags in reportlab2021-03-29ghsa · osvUS
All versions of package reportlab at time of writing are vulnerable to Server-side Request Forgery (SSRF) via img tags. In order to reduce risk, use trustedSchemes & trustedHosts (see in Reportlab's documentation) Steps to reproduce by Karan Bamal: 1. Download and install the latest package of reportlab 2. Go to demos -> odyssey -> dodyssey 3. In the text file odyssey.txt that needs to be converted to pdf inject `<img src="http://127.0.0.1:5000" valign="top"/>` 4. Create a nc listener `nc -lp 5000` 5. Run python3 dodyssey.py 6. You will get a hit on your nc showing we have successfully proceded to send a server side request 7. dodyssey.py will show error since there is no img file on the url, but we are able to do SSRF
- PYSEC-2021-1462021-02-18vendor · osvUS
All versions of package reportlab are vulnerable to Server-side Request Forgery (SSRF) via img tags. In order to reduce risk, use trustedSchemes & trustedHosts (see in Reportlab's documentation) Steps to reproduce by Karan Bamal: 1. Download and install the latest package of reportlab 2. Go to demos -> odyssey -> dodyssey 3. In the text file odyssey.txt that needs to be converted to pdf inject <img src="http://127.0.0.1:5000" valign="top"/> 4. Create a nc listener nc -lp 5000 5. Run python3 dodyssey.py 6. You will get a hit on your nc showing we have successfully proceded to send a server side request 7. dodyssey.py will show error since there is no img file on the url, but we are able to do SSRF
also known as (8)
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sources
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references (19)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2020-28463cnnvd
- https://lists.debian.org/debian-lts-announce/2023/09/msg00037.htmlcnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HMUJA5GZTPQ5WRYUCCK2GEZM4W43N7HH/cnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YZQSFCID67K6BTC655EQY6MNOF35QI44/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-28463cnnvd
- https://snyk.io/vuln/SNYK-PYTHON-REPORTLAB-1022145cnnvd
- https://vigilance.fr/vulnerability/Python-reportlab-Cross-Site-Request-Forgery-via-Img-Tags-36081cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.3220cnnvd
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