CVE-2019-12255 EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 75.3% (pctl 99)
Patch early
A public exploit exists.
Description
Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4). This is a IPNET security vulnerability: TCP Urgent Pointer = 0 that leads to an integer underflow.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 75.25% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-120 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2019-08-09 |
| Last modified | 2026-06-17 |
Affected (40)
| Vendor | Product |
|---|---|
| belden | hirschmann ees20 |
| belden | hirschmann ees25 |
| belden | hirschmann eesx20 |
| belden | hirschmann eesx30 |
| belden | hirschmann grs1020 |
| belden | hirschmann grs1030 |
| belden | hirschmann grs1042 |
| belden | hirschmann grs1120 |
| belden | hirschmann grs1130 |
| belden | hirschmann grs1142 |
| belden | hirschmann hios |
| belden | hirschmann msp30 |
| belden | hirschmann msp32 |
| belden | hirschmann rail switch power lite |
| belden | hirschmann rail switch power smart |
| belden | hirschmann red25 |
| belden | hirschmann rsp20 |
| belden | hirschmann rsp25 |
| belden | hirschmann rsp30 |
| belden | hirschmann rsp35 |
| belden | hirschmann rspe30 |
| belden | hirschmann rspe32 |
| belden | hirschmann rspe35 |
| netapp | e-series santricity os controller |
| siemens | power meter 9410 |
| siemens | power meter 9410 firmware |
| siemens | power meter 9810 |
| siemens | power meter 9810 firmware |
| siemens | ruggedcom win7000 |
| siemens | ruggedcom win7000 firmware |
| siemens | ruggedcom win7018 |
| siemens | ruggedcom win7018 firmware |
| siemens | ruggedcom win7025 |
| siemens | ruggedcom win7025 firmware |
| siemens | ruggedcom win7200 |
| siemens | ruggedcom win7200 firmware |
| siemens | siprotec 5 |
| siemens | siprotec 5 firmware |
| sonicwall | sonicos |
| windriver | vxworks |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | VxWorks 6.8 - TCP Urgent Pointer = 0 Integer Underflow | 2019-08-12 |
References
- http://packetstormsecurity.com/files/154022/VxWorks-6.8-Integer-Underflow.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009
- https://security.netapp.com/advisory/ntap-20190802-0001/
- https://support.f5.com/csp/article/K41190253
- https://support.f5.com/csp/article/K41190253?utm_source=f5support&%3Butm_medium=RSS
- https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12255
- https://support2.windriver.com/index.php?page=security-notices
- https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/
- http://packetstormsecurity.com/files/154022/VxWorks-6.8-Integer-Underflow.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009
- https://security.netapp.com/advisory/ntap-20190802-0001/
- https://support.f5.com/csp/article/K41190253
- https://support.f5.com/csp/article/K41190253?utm_source=f5support&%3Butm_medium=RSS
- https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12255
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