Race condition in the SSL implementation on Cisco Intrusion Prevention System (IPS) devices allows remote attackers to cause a denial of ser
Race condition in the SSL implementation on Cisco Intrusion Prevention System (IPS) devices allows remote attackers to cause a denial of service by making many management-interface HTTPS connections during the key-regeneration phase of an upgrade, aka Bug ID CSCui25688.
Noroxi analysis
No Noroxi analysis for this record yet
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We use this product, ask for help- Published
- Feb 21, 2015
- Updated
- Jun 16, 2026
- EPSS
- 1.2% · 66th percentile
- CWE
- CWE-362
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Report tools
Action score
28
Monitor
Low priority for now.
- CVSS
- 28 / 40 · 7.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.2%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| cisco | ips sensor software | cpe:2.3:a:cisco:ips_sensor_software |
| cisco | ids 4210 | cpe:2.3:h:cisco:ids_4210 |
| cisco | ids 4215 | cpe:2.3:h:cisco:ids_4215 |
| cisco | ids 4220 | cpe:2.3:h:cisco:ids_4220 |
| cisco | ids 4230 | cpe:2.3:h:cisco:ids_4230 |
| cisco | ids 4235 | cpe:2.3:h:cisco:ids_4235 |
| cisco | ids 4250 | cpe:2.3:h:cisco:ids_4250 |
| cisco | ids 4250 xl | cpe:2.3:h:cisco:ids_4250_xl |
| cisco | ips 4240 | cpe:2.3:h:cisco:ips_4240 |
| cisco | ips 4255 | cpe:2.3:h:cisco:ips_4255 |
| cisco | ips 4260 | cpe:2.3:h:cisco:ips_4260 |
| cisco | ips 4270 | cpe:2.3:h:cisco:ips_4270 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- cisco ips sensor software7.2(1)e4
- cisco ips sensor software7.2(2)e4
Same product
cisco: all recordsOther highest-scoring records for the same primary product.
- CVE-2007-2688The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly handle certain full-width and half-width U32Monitor
- CVE-2014-0719The control-plane access-list implementation in Cisco IPS Software before 7.1(8p2)E4 and 7.2 before 7.2(2)E4 allows remote attackers to caus31Monitor
- CVE-2006-4911Unspecified vulnerability in Cisco IPS 5.0 before 5.0(6p2) and 5.1 before 5.1(2), when running in inline or promiscuous mode, allows remote 31Monitor
- CVE-2014-0720Cisco IPS Software 7.1 before 7.1(8)E4 and 7.2 before 7.2(2)E4 allows remote attackers to cause a denial of service (Analysis Engine process28Monitor
- CVE-2014-0718The produce-verbose-alert feature in Cisco IPS Software 7.1 before 7.1(8)E4 and 7.2 before 7.2(2)E4 allows remote attackers to cause a denia28Monitor
- CVE-2005-2681Unspecified vulnerability in the command line processing (CLI) logic in Cisco Intrusion Prevention System 5.0(1) and 5.0(2) allows local use28Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- C · the service can be disrupted
- Attack complexity
- M
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- C
Weakness class (CWE)
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:C
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0631
- www.securityfocus.com/bid/72700
- www.securitytracker.com/id/1031780
Vendor advisories and official records. Exploit/PoC links are deliberately left out.