HIGH
Memory leak in the TCP listener in Cisco IOS 9.x, 10.x, 11.x, and 12.x allows remote attackers to cause a denial of service by sending crafted TCP traffic to an IPv4 address on the IOS device
Published Jan 25, 2007
7.8
HIGHCVSS 2.0
EPSS 4.47%
Description
Memory leak in the TCP listener in Cisco IOS 9.x, 10.x, 11.x, and 12.x allows remote attackers to cause a denial of service by sending crafted TCP traffic to an IPv4 address on the IOS device.
Affected products
No data.
OR
- 12
- 12.0da
- 12.0db
- 12.0dc
- 12.0s
- 12.0sc
- 12.0sl
- 12.0sp
- 12.0st
- 12.0sx
- 12.0sy
- 12.0sz
- 12.0t
- 12.0w
- 12.0wc
- 12.0wt
- 12.0xa
- 12.0xb
- 12.0xc
- 12.0xd
- 12.0xe
- 12.0xf
- 12.0xg
- 12.0xh
- 12.0xi
- 12.0xj
- 12.0xk
- 12.0xl
- 12.0xm
- 12.0xq
- 12.0xr
- 12.0xs
- 12.0xv
- 12.0xw
- 12.1
- 12.1aa
- 12.1ax
- 12.1ay
- 12.1az
- 12.1cx
- 12.1da
- 12.1db
- 12.1dc
- 12.1e
- 12.1ea
- 12.1eb
- 12.1ec
- 12.1eo
- 12.1eu
- 12.1ev
- 12.1ew
- 12.1ex
- 12.1ey
- 12.1ez
- 12.1t
- 12.1x
- 12.1xa
- 12.1xb
- 12.1xc
- 12.1xd
- 12.1xe
- 12.1xf
- 12.1xg
- 12.1xh
- 12.1xi
- 12.1xj
- 12.1xl
- 12.1xp
- 12.1xq
- 12.1xr
- 12.1xs
- 12.1xt
- 12.1xu
- 12.1xv
- 12.1xw
- 12.1xx
- 12.1xy
- 12.1xz
- 12.1ya
- 12.1yb
- 12.1yc
- 12.1yd
- 12.1ye
- 12.1yf
- 12.1yh
- 12.1yi
- 12.1yj
- 12.2
- 12.2b
- 12.2bc
- 12.2bw
- 12.2by
- 12.2bz
- 12.2cx
- 12.2cy
- 12.2cz
- 12.2da
- 12.2dd
- 12.2dx
- 12.2eu
- 12.2ew
- 12.2ewa
- 12.2ex
- 12.2ey
- 12.2ez
- 12.2fx
- 12.2fy
- 12.2fz
- 12.2ixa
- 12.2ixb
- 12.2ixc
- 12.2ja
- 12.2jk
- 12.2mb
- 12.2mc
- 12.2s
- 12.2sb
- 12.2sbc
- 12.2se
- 12.2sea
- 12.2seb
- 12.2sec
- 12.2sed
- 12.2see
- 12.2sef
- 12.2seg
- 12.2sg
- 12.2sga
- 12.2so
- 12.2sra
- 12.2srb
- 12.2su
- 12.2sv
- 12.2sw
- 12.2sx
- 12.2sxa
- 12.2sxb
- 12.2sxd
- 12.2sxe
- 12.2sxf
- 12.2sy
- 12.2sz
- 12.2t
- 12.2tpc
- 12.2xa
- 12.2xb
- 12.2xc
- 12.2xd
- 12.2xe
- 12.2xf
- 12.2xg
- 12.2xh
- 12.2xi
- 12.2xj
- 12.2xk
- 12.2xl
- 12.2xm
- 12.2xn
- 12.2xq
- 12.2xr
- 12.2xs
- 12.2xt
- 12.2xu
- 12.2xv
- 12.2xw
- 12.2ya
- 12.2yb
- 12.2yc
- 12.2yd
- 12.2ye
- 12.2yf
- 12.2yg
- 12.2yh
- 12.2yj
- 12.2yk
- 12.2yl
- 12.2ym
- 12.2yn
- 12.2yo
- 12.2yp
- 12.2yq
- 12.2yr
- 12.2ys
- 12.2yt
- 12.2yu
- 12.2yv
- 12.2yw
- 12.2yx
- 12.2yy
- 12.2yz
- 12.2za
- 12.2zb
- 12.2zc
- 12.2zd
- 12.2ze
- 12.2zf
- 12.2zg
- 12.2zh
- 12.2zj
- 12.2zl
- 12.2zn
- 12.2zp
- 12.3
- 12.3b
- 12.3bc
- 12.3bw
- 12.3ja
- 12.3jea
- 12.3jeb
- 12.3jk
- 12.3jx
- 12.3t
- 12.3tpc
- 12.3xa
- 12.3xb
- 12.3xc
- 12.3xd
- 12.3xe
- 12.3xf
- 12.3xg
- 12.3xh
- 12.3xi
- 12.3xj
- 12.3xk
- 12.3xq
- 12.3xr
- 12.3xs
- 12.3xu
- 12.3xw
- 12.3xx
- 12.3xy
- 12.3ya
- 12.3yd
- 12.3yf
- 12.3yg
- 12.3yh
- 12.3yi
- 12.3yj
- 12.3yk
- 12.3ym
- 12.3yq
- 12.3ys
- 12.3yt
- 12.3yu
- 12.3yx
- 12.3yz
- 12.4
- 12.4mr
- 12.4sw
- 12.4t
- 12.4xa
- 12.4xb
- 12.4xc
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
7.8 HIGH NVD
AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.47% 0.04472
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04472
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.47% (0.04472) | 91.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.33% (0.04334) | 89.90th | v5 (v2026.06.15) |
| Jan 26, 2026 | 4.00% (0.04005) | 88.14th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.96% (0.01963) | 82.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 5.07% (0.05066) | 93.21th | v3 (v2023.03.01) |
| Mar 22, 2024 | 5.07% (0.05066) | 92.73th | v3 (v2023.03.01) |
| Jan 5, 2024 | 4.47% (0.04475) | 91.57th | v3 (v2023.03.01) |
| Nov 28, 2023 | 2.90% (0.02902) | 89.71th | v3 (v2023.03.01) |
| Oct 21, 2023 | 2.74% (0.02745) | 89.39th | v3 (v2023.03.01) |
| Jun 28, 2023 | 2.76% (0.02764) | 89.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.58% (0.02581) | 88.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (10)
- http://osvdb.org/32093 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/23867 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1017551 vdb-entryx_refsource_SECTRACK
- http://www.cisco.com/en/US/products/products_security_advisory09186a00807cb0e4.shtml vendor-advisoryx_refsource_CISCO
- http://www.kb.cert.org/vuls/id/217912 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.securityfocus.com/bid/22208 vdb-entryx_refsource_BID
- http://www.us-cert.gov/cas/techalerts/TA07-024A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2007/0329 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/31716 vdb-entryx_refsource_XF
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5080 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/32093 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/23867 | third-party-advisoryx_refsource_SECUNIA | |
| http://securitytracker.com/id?1017551 | vdb-entryx_refsource_SECTRACK | |
| http://www.cisco.com/en/US/products/products_security_advisory09186a00807cb0e4.shtml | vendor-advisoryx_refsource_CISCO | |
| http://www.kb.cert.org/vuls/id/217912 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.securityfocus.com/bid/22208 | vdb-entryx_refsource_BID | |
| http://www.us-cert.gov/cas/techalerts/TA07-024A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| http://www.vupen.com/english/advisories/2007/0329 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/31716 | vdb-entryx_refsource_XF | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5080 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 25, 2007
Updated Aug 7, 2024
Reserved Jan 24, 2007
Link CVE-2007-0479
CISA Vulnrichment
Updated n/a