Medium severity · published Mar 8, 2021
CVE-2021-21354
Pollbot is open source software which "frees its human masters from the toilsome task of polling for the state of things during the Firefox release process." In Pollbot before…
6.1
CVSS
1.4%
EPSS
No
On KEV
Description
Pollbot is open source software which "frees its human masters from the toilsome task of polling for the state of things during the Firefox release process." In Pollbot before version 1.4.4 there is an open redirection vulnerability in the path of "https://pollbot.services.mozilla.com/". An attacker can redirect anyone to malicious sites. To Reproduce type in this URL: "https://pollbot.services.mozilla.com//evil.com/". Affected versions will redirect to that website when you inject a payload like "//evil.com/". This is fixed in version 1.4.4.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PO
Pollbot · Mozilla
before 1.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-21354
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-21354
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1694684
Third Party Advisory
https://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html
Patch
https://github.com/mozilla/PollBot/commit/6db74a4fcbff258c7cdf51a6ff0724fc10c485e5
Patch
https://github.com/mozilla/PollBot/pull/333
Third Party Advisory
https://github.com/mozilla/PollBot/releases/tag/v1.4.4
Exploit
https://github.com/mozilla/PollBot/security/advisories/GHSA-jhgx-wmq8-jc24
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6.1
CVE-2022-0637
open redirect in pollbot (pollbot.services.mozilla.com) in versions before 1.4.6