Unspecified vulnerability in Cisco PIX 500 Series Security Appliances allows remote attackers to send arbitrary UDP packets to intranet devi
Noroxi assessment
Priority: Monitor (action score 21/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 2.2% (FIRST EPSS); higher than 82.5% of all records.
- No special conditions are required; it is repeatable.
- According to the record, no fixed version is available yet.
Low priority for now. Update when a fix is released; follow the vendor's advisory.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
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- Not in KEV: no record of exploitation in the wild
- No public exploit code on record
- No fixed version yet
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Unspecified vulnerability in Cisco PIX 500 Series Security Appliances allows remote attackers to send arbitrary UDP packets to intranet devices via unspecified vectors involving Session Initiation Protocol (SIP) fixup commands, a different issue than CVE-2006-4032. NOTE: the vendor, after working with the researcher, has been unable to reproduce the issue
- Published
- Aug 16, 2006
- Updated
- Jun 16, 2026
- EPSS
- 2.3% · 83th percentile
- CWE
- —
Report tools
Action score
21
Monitor
Low priority for now.
- CVSS
- 20 / 40 · 5.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.3%
Noroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
| Vendor | Product | CPE |
|---|---|---|
| cisco | pix firewall 501 | cpe:2.3:h:cisco:pix_firewall_501 |
| cisco | pix firewall 506 | cpe:2.3:h:cisco:pix_firewall_506 |
| cisco | pix firewall 515 | cpe:2.3:h:cisco:pix_firewall_515 |
| cisco | pix firewall 515e | cpe:2.3:h:cisco:pix_firewall_515e |
| cisco | pix firewall 520 | cpe:2.3:h:cisco:pix_firewall_520 |
| cisco | pix firewall 525 | cpe:2.3:h:cisco:pix_firewall_525 |
| cisco | pix firewall 535 | cpe:2.3:h:cisco:pix_firewall_535 |
| cisco | pix firewall software | cpe:2.3:o:cisco:pix_firewall_software |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- cisco pix firewall 501all versions
- cisco pix firewall 506all versions
- cisco pix firewall 515all versions
- cisco pix firewall 515eall versions
- cisco pix firewall 520all versions
- cisco pix firewall 525all versions
- cisco pix firewall 535all versions
- cisco pix firewall software6.3
Same product
cisco: all recordsOther highest-scoring records for the same primary product.
- CVE-2006-4312Cisco PIX 500 Series Security Appliances and ASA 5500 Series Adaptive Security Appliances, when running 7.0(x) up to 7.0(5) and 7.1(x) up to27Monitor
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
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- P · data or configuration can be modified
- Availability
- none
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- P
- Availability impact
- None
Weakness class (CWE)
—
CVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:N
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.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- searchsecurity.techtarget.com/originalContent/0%2C289142%2Csid14_gci1207450%2C00.html
- www.cisco.com/en/US/products/hw/vpndevc/ps2030/tsd_products_security_response09186a008070d33b.html
- www.idoel.smilejogja.com/2006/08/14/blinded-by-the-glare-of-facial-piercings-at-black-hat-or-the-one-that-got-away/
- www.networkworld.com/news/2006/080406-black-hat-unpatched-flaw-revealed.html?t5
- www.osvdb.org/29781
- www.securityfocus.com/bid/19536
Vendor advisories and official records. Exploit/PoC links are deliberately left out.