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Fencer Vulns
medium 6.8

CVE-2007-1562 json

The FTP protocol implementation in Mozilla Firefox before 1.5.0.11 and 2.x before 2.0.0.3 allows remote attackers to force the client to co…

published 2007-03-21 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-1556

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
14.3%
EPSS 14.3% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

The FTP protocol implementation in Mozilla Firefox before 1.5.0.11 and 2.x before 2.0.0.3 allows remote attackers to force the client to connect to other servers, perform a proxied port scan, or obtain sensitive information by specifying an alternate server address in an FTP PASV response.

Patch / fix

  • mozilla firefox 1.5.0.11, 2.0.0.3
  • seamonkey RHEL 2.1 1.0.9-0.1.el2
  • seamonkey RHEL 3 1.0.9-0.1.el3
  • seamonkey RHEL 4 1.0.9-2.el4
  • devhelp RHEL 4 0.10-0.8.el4
  • seamonkey-nss RHEL 2.1 1.0.9-0.1.el2
  • seamonkey-nss RHEL 3 1.0.9-0.1.el3
  • seamonkey-chat RHEL 2.1 1.0.9-0.1.el2
  • seamonkey-chat RHEL 3 1.0.9-0.1.el3

red hat advisories RHSA-2007:0402RHSA-2007:0400

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-1562 updated

security flaw

  • Red Hat Desktop version 3 seamonkey 1.0.9-0.1.el3, seamonkey-nss 1.0.9-0.1.el3, seamonkey-chat 1.0.9-0.1.el3, seamonkey-mail 1.0.9-0.1.el3, seamonkey-nspr 1.0.9-0.1.el3, seamonkey-js-debugger 1.0.9-0.1.el3, +1 more
    fixed: vendor fix RHSA-2007:0402
  • Red Hat Enterprise Linux (v. 5 server) yelp 2.16.0-15.el5, devhelp 0.12-11.el5, firefox 1.5.0.12-1.el5
    fixed: vendor fix RHSA-2007:0400
  • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 seamonkey 1.0.9-0.1.el2, seamonkey-nss 1.0.9-0.1.el2, seamonkey-chat 1.0.9-0.1.el2, seamonkey-mail 1.0.9-0.1.el2, seamonkey-nspr 1.0.9-0.1.el2, seamonkey-js-debugger 1.0.9-0.1.el2, +1 more Red Hat Enterprise Linux AS version 3 seamonkey 1.0.9-0.1.el3, seamonkey-nss 1.0.9-0.1.el3, seamonkey-chat 1.0.9-0.1.el3, seamonkey-mail 1.0.9-0.1.el3, seamonkey-nspr 1.0.9-0.1.el3, seamonkey-js-debugger 1.0.9-0.1.el3, +1 more Red Hat Enterprise Linux AS version 4 devhelp 0.10-0.8.el4, seamonkey 1.0.9-2.el4, firefox 1.5.0.12-0.1.el4, seamonkey-chat 1.0.9-2.el4, seamonkey-mail 1.0.9-2.el4, seamonkey-js-debugger 1.0.9-2.el4, +1 more
    fixed: vendor fix RHSA-2007:0402
  • Red Hat Enterprise Linux Desktop (v. 5 client) yelp 2.16.0-15.el5, devhelp 0.12-11.el5, firefox 1.5.0.12-1.el5
    fixed: vendor fix RHSA-2007:0400
  • Red Hat Enterprise Linux Desktop version 4 devhelp 0.10-0.8.el4, seamonkey 1.0.9-2.el4, firefox 1.5.0.12-0.1.el4, seamonkey-chat 1.0.9-2.el4, seamonkey-mail 1.0.9-2.el4, seamonkey-js-debugger 1.0.9-2.el4, +1 more
    fixed: vendor fix RHSA-2007:0402
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) devhelp 0.12-11.el5
    fixed: vendor fix RHSA-2007:0400
  • Red Hat Enterprise Linux ES version 2.1 seamonkey 1.0.9-0.1.el2, seamonkey-nss 1.0.9-0.1.el2, seamonkey-chat 1.0.9-0.1.el2, seamonkey-mail 1.0.9-0.1.el2, seamonkey-nspr 1.0.9-0.1.el2, seamonkey-js-debugger 1.0.9-0.1.el2, +1 more Red Hat Enterprise Linux ES version 3 seamonkey 1.0.9-0.1.el3, seamonkey-nss 1.0.9-0.1.el3, seamonkey-chat 1.0.9-0.1.el3, seamonkey-mail 1.0.9-0.1.el3, seamonkey-nspr 1.0.9-0.1.el3, seamonkey-js-debugger 1.0.9-0.1.el3, +1 more Red Hat Enterprise Linux ES version 4 devhelp 0.10-0.8.el4, seamonkey 1.0.9-2.el4, firefox 1.5.0.12-0.1.el4, seamonkey-chat 1.0.9-2.el4, seamonkey-mail 1.0.9-2.el4, seamonkey-js-debugger 1.0.9-2.el4, +1 more Red Hat Enterprise Linux WS version 2.1 seamonkey 1.0.9-0.1.el2, seamonkey-nss 1.0.9-0.1.el2, seamonkey-chat 1.0.9-0.1.el2, seamonkey-mail 1.0.9-0.1.el2, seamonkey-nspr 1.0.9-0.1.el2, seamonkey-js-debugger 1.0.9-0.1.el2, +1 more Red Hat Enterprise Linux WS version 3 seamonkey 1.0.9-0.1.el3, seamonkey-nss 1.0.9-0.1.el3, seamonkey-chat 1.0.9-0.1.el3, seamonkey-mail 1.0.9-0.1.el3, seamonkey-nspr 1.0.9-0.1.el3, seamonkey-js-debugger 1.0.9-0.1.el3, +1 more Red Hat Enterprise Linux WS version 4 devhelp 0.10-0.8.el4, seamonkey 1.0.9-2.el4, firefox 1.5.0.12-0.1.el4, seamonkey-chat 1.0.9-2.el4, seamonkey-mail 1.0.9-2.el4, seamonkey-js-debugger 1.0.9-2.el4, +1 more
    +1 more products
    Red Hat Linux Advanced Workstation 2.1 seamonkey 1.0.9-0.1.el2, seamonkey-nss 1.0.9-0.1.el2, seamonkey-chat 1.0.9-0.1.el2, seamonkey-mail 1.0.9-0.1.el2, seamonkey-nspr 1.0.9-0.1.el2, seamonkey-js-debugger 1.0.9-0.1.el2, +1 more
    fixed: vendor fix RHSA-2007:0402

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-29768)
  2. Published

Exploit prediction

14.27% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-29768 Mozilla FireFox 1.5.x/2.0 - FTP PASV Port-Scanning remote, 2007-03-21

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.