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No exploitation reportedFix available

CVE-2020-28463

No exploitation reported by the sources we read.

  • Published2021-02-18
  • WeaknessCWE-918

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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

Timeline

dates in UTC
  1. 2021-02-1816:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-04 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-28463?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-28463?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Reportlab
BranchAffectedFixed in
—all versionsno fix published
reportlab
BranchAffectedFixed in
3.5< 3.5.553.5.55
Fedoraproject fedora
BranchAffectedFixed in
34.x= 34no fix published
35.x= 35no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • python-reportlabUbuntu:20.04:LTSall versions · no fixed version listed
  • python-reportlabUbuntu:18.04:LTSall versions · no fixed version listed
  • python-reportlabUbuntu:16.04:LTSall versions · no fixed version listed
  • python-reportlabSUSE:Linux Enterprise Workstation Extension 12 SP5all versions · fixed in 2.7-3.8.1
  • python-reportlabopenSUSE:Leap 15.3all versions · fixed in 3.4.0-3.6.1
  • python-reportlabopenSUSE:Leap 15.2all versions · fixed in 3.4.0-lp152.5.3.1
  • python-reportlabopenEuler:22.03-LTSall versions · fixed in 3.6.10-1.oe2203
  • python-reportlabopenEuler:20.03-LTS-SP3all versions · fixed in 3.6.10-1.oe1

6 more package ranges on OSV.dev

Vendor advisories

  • CVE-2020-28463 Red Hat Product Security9 known affected

    python-reportlab: Server-side request forgery via img tags

    python-reportlab as a component of Red Hat Enterprise Linux 6 · python-reportlab-docs as a component of Red Hat Enterprise Linux 6 · python-reportlab.src as a component of Red Hat Enterprise Linux 6 · +6 more

Full record on NVD

Fix

  1. No fix planned, says the vendor Red Hat Product Security CVE-2020-28463 · 6 productsOut of support scope
  2. No fix planned, says the vendor Red Hat Product Security CVE-2020-28463 · 3 productsWill not fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.16.5known since 2026-10-23
  • NVDCVSS 3.16.5read 2026-10-23
  • NVDCVSS 2.04read 2026-10-23
  • NVDweakness (CWE)CWE-918read 2026-10-23
  • FIRST EPSSEPSS score1.3 %2026-11-03
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2021-03-19

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Published
2021-02-18
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-mpvw-25mg-59vx

Frequently asked questions

What is CVE-2020-28463?

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

Is CVE-2020-28463 actively exploited?

Active exploitation of CVE-2020-28463 has not been confirmed. Its EPSS score was 1.3% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-28463?

CVE-2020-28463 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

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