CVE-2020-22789 json
Unauthenticated Stored XSS in FME Server versions 2019.2 and 2020.0 Beta allows a remote attacker to gain admin privileges by injecting arb…
published 2021-04-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-15546
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
Unauthenticated Stored XSS in FME Server versions 2019.2 and 2020.0 Beta allows a remote attacker to gain admin privileges by injecting arbitrary web script or HTML via the login page. The XSS is executed when an administrator accesses the logs.
Exploit prediction
1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- mexicanpentester.com https://mexicanpentester.com/2020/04/09/vulnerabilities-in-fme-server-versions-2019-2-and-2020-0-beta-and-probably-previous-versions/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
mexicanpentester.com
/2020/04/09/vulnerabilities-in-fme-server-versions-2019-2-and-2020-0-beta-and-probably-previous-versions/
exploit, third-party-advisory
-
community.safe.com
/s/article/fme-server-2019-security-update
vendor-advisory
-
community.safe.com
/s/article/FME-Server-Stored-Cross-Site-Scripting-XSS-Vulnerabilities
vendor-advisory
Sources
- CVE List CVE-2020-22789
- NVD CVE-2020-22789
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