CVE-2010-0577
Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used,...
Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.
Exploit likelihood
What each source reports
NVD Score used
Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.
- Record
CVE-2010-0577- CVSS 2.0
- 7.1 High
AV:N/AC:M/Au:N/C:N/I:N/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.
- Record
CVE-2010-0577- Updated
- 2026-11-02
EUVDEUVD-2010-0608 No score
Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.
- Record
EUVD-2010-0608- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2q84-j32v-48rc No score
Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used,...
Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.
- Record
GHSA-2q84-j32v-48rc- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-0577 is a high vulnerability (CVSS 7.1) in Cisco Ios, published March 25, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.52%, the 84th percentile. No source names a fixed version.
References
securityfocus.com/bid/38930
cisco.com/en/US/products/products_security_advisory09186a0080b20f34.shtml
securitytracker.com/id?1023743
secunia.com/advisories/39078
vupen.com/english/advisories/2010/0703
exchange.xforce.ibmcloud.com/vulnerabilities/57129
osvdb.org/63178
nvd.nist.gov/vuln/detail/CVE-2010-0577
github.com/advisories/GHSA-2q84-j32v-48rc