The (1) Airline Product Set (aka ALPS), (2) Serial Tunnel Code (aka STUN), (3) Block Serial Tunnel Code (aka BSTUN), (4) Native Client Interface Architecture (NCIA) support, (5) Data-link switching (aka DLSw), (6) Remote Source-Route Bridging (RSRB), (7) Point to Point Tunneling Protocol (PPTP), (8) X.25 for Record Boundary Preservation (RBP), (9) X.25 over TCP (XOT), and (10) X.25 Routing features in Cisco IOS 12.2 and 12.4 allows remote attackers to cause a denial of service (device reload) via a series of crafted TCP packets
Published Mar 27, 2009
5.4
MEDIUMCVSS 2.0
EPSS 4.03%
Description
The (1) Airline Product Set (aka ALPS), (2) Serial Tunnel Code (aka STUN), (3) Block Serial Tunnel Code (aka BSTUN), (4) Native Client Interface Architecture (NCIA) support, (5) Data-link switching (aka DLSw), (6) Remote Source-Route Bridging (RSRB), (7) Point to Point Tunneling Protocol (PPTP), (8) X.25 for Record Boundary Preservation (RBP), (9) X.25 over TCP (XOT), and (10) X.25 Routing features in Cisco IOS 12.2 and 12.4 allows remote attackers to cause a denial of service (device reload) via a series of crafted TCP packets.
Affected products
No data.
- 12.2
- 12.2b
- 12.2bc
- 12.2bw
- 12.2bx
- 12.2by
- 12.2bz
- 12.2ca
- 12.2cx
- 12.2cy
- 12.2cz
- 12.2da
- 12.2dd
- 12.2dx
- 12.2ew
- 12.2ewa
- 12.2ex
- 12.2ey
- 12.2ez
- 12.2fx
- 12.2fy
- 12.2fz
- 12.2irb
- 12.2ixa
- 12.2ixb
- 12.2ixc
- 12.2ixd
- 12.2ixe
- 12.2ixf
- 12.2ixg
- 12.2ja
- 12.2jk
- 12.2l
- 12.2mb
- 12.2mc
- 12.2rc
- 12.2s
- 12.2sb
- 12.2sbc
- 12.2sca
- 12.2sga
- 12.2sm
- 12.2so
- 12.2sr
- 12.2sra
- 12.2srb
- 12.2src
- 12.2su
- 12.2sv
- 12.2sva
- 12.2svc
- 12.2svd
- 12.2sve
- 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
- 12.2xo
- 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
- 12.2zp
- 12.2zu
- 12.2zx
- 12.2zy
- 12.2zya
- 12.4
- 12.4\(1\)
- 12.4\(1b\)
- 12.4\(1c\)
- 12.4\(2\)mr
- 12.4\(2\)mr1
- 12.4\(2\)t
- 12.4\(2\)t1
- 12.4\(2\)t2
- 12.4\(2\)t3
- 12.4\(2\)t4
- 12.4\(2\)xa
- 12.4\(2\)xb
- 12.4\(2\)xb2
- 12.4\(3\)
- 12.4\(3\)t2
- 12.4\(3a\)
- 12.4\(3b\)
- 12.4\(3d\)
- 12.4\(4\)mr
- 12.4\(4\)t
- 12.4\(4\)t2
- 12.4\(5\)
- 12.4\(5b\)
- 12.4\(6\)t
- 12.4\(6\)t1
- 12.4\(7\)
- 12.4\(7a\)
- 12.4\(8\)
- 12.4\(9\)t
- 12.4\(23\)
- 12.4ja
- 12.4jda
- 12.4jk
- 12.4jl
- 12.4jma
- 12.4jmb
- 12.4jx
- 12.4md
- 12.4mr
- 12.4s
- 12.4sw
- 12.4t
- 12.4xa
- 12.4xb
- 12.4xc
- 12.4xd
- 12.4xe
- 12.4xf
- 12.4xg
- 12.4xj
- 12.4xk
- 12.4xl
- 12.4xm
- 12.4xn
- 12.4xp
- 12.4xt
- 12.4xv
- 12.4xw
- 12.4xy
- 12.4
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.
AV:N/AC:H/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 4.03% (0.04025) | 90.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.14% (0.04136) | 89.49th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.31% (0.01308) | 78.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.81% (0.01806) | 88.64th | v3 (v2023.03.01) |
| Jun 7, 2024 | 1.67% (0.01674) | 87.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.67% (0.01674) | 85.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (7)
- http://secunia.com/advisories/34438 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://securitytracker.com/id?1021903 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml x_refsource_CONFIRMVendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a904cb.shtml vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.securityfocus.com/bid/34238 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.vupen.com/english/advisories/2009/0851 vdb-entryx_refsource_VUPENThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49420 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/34438 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://securitytracker.com/id?1021903 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml | x_refsource_CONFIRMVendor Advisory | |
| http://www.cisco.com/en/US/products/products_security_advisory09186a0080a904cb.shtml | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://www.securityfocus.com/bid/34238 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.vupen.com/english/advisories/2009/0851 | vdb-entryx_refsource_VUPENThird Party Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/49420 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.