CVE-2012-0261

NONECVSS 0.09.0▲
EchelonGraph scoreLOW confidence

Score elevated to 9.0 because EPSS predicts 87% probability of exploitation within the next 30 days (top 0.5% of all CVEs). Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss
Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 74%
CISA-KEV: Not listedEPSS: 74%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

license.php in system-portal before 1.6.2 in op5 Monitor and op5 Appliance before 5.5.3 allows remote attackers to execute arbitrary commands via shell metacharacters in the timestamp parameter for an install action.

CVSS v3
—
EG Score
9.0(low)
EPSS
99.4%
KEV
Not listed

Published

December 31, 2013

Last Modified

April 29, 2026

References (12)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 5× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:23 UTCEPSS rescore
  2. 2026-07-02 14:01 UTCEPSS rescore
  3. 2026-07-01 15:02 UTCEPSS rescore
  4. 2026-06-30 23:19 UTCEPSS rescore
  5. 2026-06-30 23:19 UTCEPSS rescore
  6. 2026-06-28 14:03 UTCEPSS rescore
  7. 2026-06-28 04:53 UTCEPSS rescore
  8. 2026-06-28 04:53 UTCEPSS rescore
  9. 2026-06-25 13:46 UTCEPSS rescore
  10. 2026-06-25 13:46 UTCEPSS rescore
  11. 2026-06-24 14:02 UTCEPSS rescore
  12. 2026-06-24 14:02 UTCEPSS rescore
  13. 2026-06-23 21:30 UTCEPSS rescore
  14. 2026-06-21 14:53 UTCEPSS rescore
  15. 2026-06-18 17:49 UTCEPSS rescore
  16. 2026-06-18 17:49 UTCEPSS rescore
  17. 2026-06-17 17:49 UTCEPSS rescore
  18. 2026-06-17 17:49 UTCEPSS rescore
  19. 2026-06-15 17:44 UTCEPSS rescore
  20. 2026-06-12 23:08 UTCEPSS rescore
  21. 2026-06-10 22:14 UTCEPSS rescore
  22. 2026-06-10 13:18 UTCEPSS rescore
  23. 2026-06-05 22:44 UTCEPSS rescore
  24. 2026-06-05 22:44 UTCEPSS rescore
  25. 2026-06-05 06:08 UTCEPSS rescore
Show 23 more
  1. 2026-06-05 06:08 UTCEPSS rescore
  2. 2026-06-04 13:09 UTCEPSS rescore
  3. 2026-06-01 13:49 UTCEPSS rescore
  4. 2026-05-28 21:03 UTCEG score recompute
  5. 2026-05-28 21:03 UTCGHSA enrichment
  6. 2026-05-28 13:42 UTCEPSS rescore
  7. 2026-05-28 13:42 UTCEPSS rescore
  8. 2026-05-27 13:38 UTCEPSS rescore
  9. 2026-05-27 13:38 UTCEPSS rescore
  10. 2026-05-26 13:41 UTCEPSS rescore
  11. 2026-05-26 13:41 UTCEPSS rescore
  12. 2026-05-26 07:16 UTCEPSS rescore
  13. 2026-05-26 07:16 UTCEPSS rescore
  14. 2026-05-26 07:16 UTCEPSS rescore
  15. 2026-05-22 21:15 UTCEPSS rescore
  16. 2026-05-22 21:15 UTCEPSS rescore
  17. 2026-05-22 21:15 UTCEPSS rescore
  18. 2026-05-21 22:39 UTCEPSS rescore
  19. 2026-05-20 22:37 UTCEPSS rescore
  20. 2026-05-20 22:37 UTCEPSS rescore
  21. 2026-05-20 22:37 UTCEPSS rescore
  22. 2026-05-18 21:29 UTCEPSS rescore
  23. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-41686✓ verified
    First seen Jan 25, 2015

    OP5 5.3.5/5.4.0/5.4.2/5.5.0/5.5.1 - 'license.php' Remote Command Execution (Metasploit)

    Open source ↗
  • Metasploitexploit/multi/http/op5_license✓ verified
    First seen Jan 5, 2012

    OP5 license.php Remote Command Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2012-0261?
CVE-2012-0261 is a none vulnerability published on December 31, 2013. license.php in system-portal before 1.6.2 in op5 Monitor and op5 Appliance before 5.5.3 allows remote attackers to execute arbitrary commands via shell metacharacters in the timestamp parameter for an install action.
When was CVE-2012-0261 disclosed?
CVE-2012-0261 was first published in the National Vulnerability Database on December 31, 2013, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-0261 actively exploited?
CVE-2012-0261 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-0261?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-0261, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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