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Fencer Intel
critical 10.0

CVE-2012-0264 json

op5 Monitor and op5 Appliance before 5.5.0 do not properly manage session cookies, which allows remote attackers to have an unspecified imp…

published 2013-12-31 12 y ago modified 2026-06-16 4 mo ago also EUVD-2012-0300

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.4%
EPSS 4.4% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

op5 Monitor and op5 Appliance before 5.5.0 do not properly manage session cookies, which allows remote attackers to have an unspecified impact via unspecified vectors.

Exploit prediction

4.36% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • ekelow.se http://www.ekelow.se/file_uploads/Advisories/ekelow-aid-2012-01.pdf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel 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.