What is the severity of CVE-2003-0100?

The severity of CVE-2003-0100 is considered high due to the potential denial of service and remote execution of commands.

How do I fix CVE-2003-0100?

To fix CVE-2003-0100, update the affected Cisco IOS versions to a patched release recommended by Cisco.

What are the affected versions in CVE-2003-0100?

CVE-2003-0100 affects Cisco IOS versions from 11.2.x to 12.0.x, including specific releases listed in the vulnerability report.

Can CVE-2003-0100 be exploited remotely?

Yes, CVE-2003-0100 can be exploited remotely through a large number of OSPF neighbor announcements.

What type of vulnerability is CVE-2003-0100?

CVE-2003-0100 is a buffer overflow vulnerability.

Vulnerability/
CVE-2003-0100

high

7.5

CWE

NVD-CWE-Other 119

3/3/2003

1/9/2004

8/8/2024

CVE-2003-0100: Buffer Overflow

First published: Mon Mar 03 2003(Updated: )

Buffer overflow in Cisco IOS 11.2.x to 12.0.x allows remote attackers to cause a denial of service and possibly execute commands via a large number of OSPF neighbor announcements.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Cisco IOS	=12.0\(16\)sc3
Cisco IOS	=11.2xa
Cisco IOS	=11.3\(11b\)
Cisco IOS	=12.0\(8\)s1
Cisco IOS	=12.0xc
Cisco IOS	=11.3xa
Cisco IOS	=12.0xk
Cisco IOS	=12.0xr
Cisco IOS	=11.2\(4\)f
Cisco IOS	=11.1\(36\)ca2
Cisco IOS	=11.1ct
Cisco IOS	=11.2f
Cisco IOS	=12.0\(16.06\)s
Cisco IOS	=12.0st
Cisco IOS	=12.0\(5\)t1
Cisco IOS	=12.0\(9\)
Cisco IOS	=12.0xq
Cisco IOS	=12.0\(13\)wt6\(1\)
Cisco IOS	=12.0\(15\)s3
Cisco IOS	=12.0\(16a\)
Cisco IOS	=12.0\(18\)s5
Cisco IOS	=12.0\(5\)wc3
Cisco IOS	=11.3ma
Cisco IOS	=12.0\(5\)yb4
Cisco IOS	=12.0\(7\)sc
Cisco IOS	=12.0dc
Cisco IOS	=12.0xe
Cisco IOS	=11.1\(15\)ca
Cisco IOS	=11.3na
Cisco IOS	=12.0\(1\)xb
Cisco IOS	=11.1\(13\)
Cisco IOS	=11.1\(16\)aa
Cisco IOS	=11.2\(4\)xaf
Cisco IOS	=11.2bc
Cisco IOS	=12.0\(17a\)
Cisco IOS	=12.0\(2\)xd
Cisco IOS	=12.0\(5\)xk2
Cisco IOS	=12.0\(5.3\)wc1
Cisco IOS	=12.0\(7.4\)s
Cisco IOS	=12.0\(9\)s
Cisco IOS	=12.0\(9\)s8
Cisco IOS	=12.0xj
Cisco IOS	=12.0xs
Cisco IOS	=12.0\(16\)st1
Cisco IOS	=12.0\(2\)
Cisco IOS	=11.1ia
Cisco IOS	=11.2\(8\)p
Cisco IOS	=11.2\(8\)sa3
Cisco IOS	=11.3da
Cisco IOS	=12.0\(7\)db2
Cisco IOS	=12.0\(9a\)
Cisco IOS	=12.0xd
Cisco IOS	=12.0xl
Cisco IOS	=11.1\(13\)ia
Cisco IOS	=11.1\(15\)aa
Cisco IOS	=11.1\(20\)aa4
Cisco IOS	=12.0\(1\)w
Cisco IOS	=12.0\(14\)s7
Cisco IOS	=12.0\(16\)s8
Cisco IOS	=12.0\(4\)xm
Cisco IOS	=12.0\(7\)xk
Cisco IOS	=12.0\(8.0.2\)s
Cisco IOS	=12.0\(8.3\)sc
Cisco IOS	=11.1\(15\)ia
Cisco IOS	=11.1\(24b\)
Cisco IOS	=11.1ca
Cisco IOS	=11.2\(19\)gs0.2
Cisco IOS	=11.2\(4\)f1
Cisco IOS	=11.2wa4
Cisco IOS	=12.0\(1\)xe
Cisco IOS	=12.0\(11\)st4
Cisco IOS	=11.1cc
Cisco IOS	=11.3
Cisco IOS	=11.3\(1\)ed
Cisco IOS	=11.3\(7\)db1
Cisco IOS	=12.0\(10\)s7
Cisco IOS	=12.0\(10\)w5
Cisco IOS	=12.0\(12a\)
Cisco IOS	=12.0\(14\)w5\(20\)
Cisco IOS	=12.0\(14a\)
Cisco IOS	=12.0\(16\)w5\(21\)
Cisco IOS	=12.0\(3d\)
Cisco IOS	=12.0\(5.4\)wc1
Cisco IOS	=12.0\(7a\)
Cisco IOS	=12.0xa
Cisco IOS	=12.0xb
Cisco IOS	=12.0xu
Cisco IOS	=12.0\(14\)st3
Cisco IOS	=12.0\(17\)sl2
Cisco IOS	=12.0\(3\)
Cisco IOS	=12.0\(5\)xe
Cisco IOS	=12.0\(5.2\)xu
Cisco IOS	=12.0\(7\)t
Cisco IOS	=12.0\(7\)t2
Cisco IOS	=12.0\(7\)xk3
Cisco IOS	=12.0\(7\)xv
Cisco IOS	=12.0\(8a\)
Cisco IOS	=12.0sc
Cisco IOS	=12.0sl
Cisco IOS	=12.0xh
Cisco IOS	=11.1\(13\)ca
Cisco IOS	=11.1\(17\)cc
Cisco IOS	=11.2
Cisco IOS	=11.2\(26a\)
Cisco IOS	=11.2\(8\)sa1
Cisco IOS	=11.2p
Cisco IOS	=11.3aa
Cisco IOS	=11.3db
Cisco IOS	=12.0\(1\)
Cisco IOS	=12.0\(10\)w5\(18f\)
Cisco IOS	=12.0\(10\)w5\(18g\)
Cisco IOS	=12.0\(13\)w5\(19c\)
Cisco IOS	=12.0\(17\)
Cisco IOS	=12.0\(2\)xf
Cisco IOS	=12.0\(4\)xe
Cisco IOS	=12.0\(6b\)
Cisco IOS	=12.0\(7\)dc1
Cisco IOS	=12.0\(7\)xf
Cisco IOS	=12.0db
Cisco IOS	=12.0t
Cisco IOS	=11.1\(7\)aa
Cisco IOS	=11.1\(7\)ca
Cisco IOS	=11.1\(9\)ia
Cisco IOS	=11.2\(26b\)
Cisco IOS	=11.2\(4\)
Cisco IOS	=11.2sa
Cisco IOS	=11.3\(11b\)t2
Cisco IOS	=12.0\(10a\)
Cisco IOS	=12.0\(15a\)
Cisco IOS	=12.0\(18\)st1
Cisco IOS	=12.0\(2\)xg
Cisco IOS	=12.0\(4\)xe1
Cisco IOS	=12.0\(7\)s1
Cisco IOS	=12.0\(7\)xf1
Cisco IOS	=12.0w5
Cisco IOS	=11.1\(28a\)ct
Cisco IOS	=11.1aa
Cisco IOS	=11.2\(17\)
Cisco IOS	=11.2\(9\)p
Cisco IOS	=11.2\(9\)xa
Cisco IOS	=11.3\(11c\)
Cisco IOS	=11.3\(2\)xa
Cisco IOS	=11.3t
Cisco IOS	=12.0\(11a\)
Cisco IOS	=12.0\(14\)st
Cisco IOS	=11.1
Cisco IOS	=11.1\(16\)ia
Cisco IOS	=11.1\(28a\)ia
Cisco IOS	=11.2\(19a\)gs6
Cisco IOS	=11.2\(23a\)bc1
Cisco IOS	=11.2\(4\)xa
Cisco IOS	=11.3\(8\)db2
Cisco IOS	=11.3wa4
Cisco IOS	=12.0\(12\)s3
Cisco IOS	=12.0\(13\)s6
Cisco IOS	=12.0\(17\)st5
Cisco IOS	=12.0\(2\)xc
Cisco IOS	=12.0\(4\)s
Cisco IOS	=12.0\(5\)wc
Cisco IOS	=12.0\(5\)wc2
Cisco IOS	=12.0\(5\)xn
Cisco IOS	=12.0\(7\)wx5\(15a\)
Cisco IOS	=12.0\(7\)xe
Cisco IOS	=12.0sp
Cisco IOS	=12.0xi
Cisco IOS	=12.0\(17\)sl6
Cisco IOS	=12.0\(17\)st1
Cisco IOS	=12.0\(18b\)
Cisco IOS	=12.0\(3\)t2
Cisco IOS	=12.0\(5\)t
Cisco IOS	=12.0\(5\)xk
Cisco IOS	=12.0\(5.1\)xp
Cisco IOS	=12.0wt
Cisco IOS	=12.0wx
Cisco IOS	=12.0xg
Cisco IOS	=11.1\(13\)aa
Cisco IOS	=11.1\(17\)ct
Cisco IOS	=11.1\(36\)cc2
Cisco IOS	=11.1\(36\)cc4
Cisco IOS	=11.2\(26\)p2
Cisco IOS	=11.2gs
Cisco IOS	=11.3\(1\)t
Cisco IOS	=11.3\(11\)b
Cisco IOS	=12.0
Cisco IOS	=12.0\(15\)s6
Cisco IOS	=12.0\(18\)s
Cisco IOS	=12.0\(2\)xe
Cisco IOS	=12.0\(4\)t
Cisco IOS	=12.0\(5\)wc2b
Cisco IOS	=12.0\(5\)xn1
Cisco IOS	=12.0\(5\)xs
Cisco IOS	=12.0\(7\)xe2
Cisco IOS	=12.0\(8\)
Cisco IOS	=12.0da
Cisco IOS	=12.0sx
Cisco IOS	=12.0xm
Cisco IOS	=12.0xv
Cisco IOS	=12.0xw
Cisco IOS	=11.1\(24a\)
Cisco IOS	=11.2\(10\)bc
Cisco IOS	=11.2\(11b\)t2
Cisco IOS	=11.2\(8\)sa5
Cisco IOS	=11.2\(8.9\)sa6
Cisco IOS	=11.2wa3
Cisco IOS	=11.3ha
Cisco IOS	=12.0\(1\)xa3
Cisco IOS	=12.0\(11\)s6
Cisco IOS	=12.0\(13a\)
Cisco IOS	=12.0\(17\)s
Cisco IOS	=12.0\(17\)s4
Cisco IOS	=12.0\(18\)w5\(22b\)
Cisco IOS	=12.0\(2b\)
Cisco IOS	=12.0\(4\)xm1
Cisco IOS	=12.0\(5\)wc3b
Cisco IOS	=12.0\(5\)wx
Cisco IOS	=12.0\(5\)xu
Cisco IOS	=12.0s
Cisco IOS	=12.0wc
Cisco IOS	=12.0xf
Cisco IOS	=12.0xn
Cisco IOS	=12.0xp

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2003-0100?
The severity of CVE-2003-0100 is considered high due to the potential denial of service and remote execution of commands.
How do I fix CVE-2003-0100?
To fix CVE-2003-0100, update the affected Cisco IOS versions to a patched release recommended by Cisco.
What are the affected versions in CVE-2003-0100?
CVE-2003-0100 affects Cisco IOS versions from 11.2.x to 12.0.x, including specific releases listed in the vulnerability report.
Can CVE-2003-0100 be exploited remotely?
Yes, CVE-2003-0100 can be exploited remotely through a large number of OSPF neighbor announcements.
What type of vulnerability is CVE-2003-0100?
CVE-2003-0100 is a buffer overflow vulnerability.

collector/nvd-historical
vendor/cisco
product/ios
canonical/cisco ios
collector/nvd-index
agent/references
agent/type
agent/first-publish-date
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/author
agent/severity
agent/last-modified-date
agent/weakness
agent/description
agent/event
agent/tags
agent/source
version/cisco ios/12.0\(16\)sc3
version/cisco ios/11.2xa
version/cisco ios/11.3\(11b\)
version/cisco ios/12.0\(8\)s1
version/cisco ios/12.0xc
version/cisco ios/11.3xa
version/cisco ios/12.0xk
version/cisco ios/12.0xr
version/cisco ios/11.2\(4\)f
version/cisco ios/11.1\(36\)ca2
version/cisco ios/11.1ct
version/cisco ios/11.2f
version/cisco ios/12.0\(16.06\)s
version/cisco ios/12.0st
version/cisco ios/12.0\(5\)t1
version/cisco ios/12.0\(9\)
version/cisco ios/12.0xq
version/cisco ios/12.0\(13\)wt6\(1\)
version/cisco ios/12.0\(15\)s3
version/cisco ios/12.0\(16a\)
version/cisco ios/12.0\(18\)s5
version/cisco ios/12.0\(5\)wc3
version/cisco ios/11.3ma
version/cisco ios/12.0\(5\)yb4
version/cisco ios/12.0\(7\)sc
version/cisco ios/12.0dc
version/cisco ios/12.0xe
version/cisco ios/11.1\(15\)ca
version/cisco ios/11.3na
version/cisco ios/12.0\(1\)xb
version/cisco ios/11.1\(13\)
version/cisco ios/11.1\(16\)aa
version/cisco ios/11.2\(4\)xaf
version/cisco ios/11.2bc
version/cisco ios/12.0\(17a\)
version/cisco ios/12.0\(2\)xd
version/cisco ios/12.0\(5\)xk2
version/cisco ios/12.0\(5.3\)wc1
version/cisco ios/12.0\(7.4\)s
version/cisco ios/12.0\(9\)s
version/cisco ios/12.0\(9\)s8
version/cisco ios/12.0xj
version/cisco ios/12.0xs
version/cisco ios/12.0\(16\)st1
version/cisco ios/12.0\(2\)
version/cisco ios/11.1ia
version/cisco ios/11.2\(8\)p
version/cisco ios/11.2\(8\)sa3
version/cisco ios/11.3da
version/cisco ios/12.0\(7\)db2
version/cisco ios/12.0\(9a\)
version/cisco ios/12.0xd
version/cisco ios/12.0xl
version/cisco ios/11.1\(13\)ia
version/cisco ios/11.1\(15\)aa
version/cisco ios/11.1\(20\)aa4
version/cisco ios/12.0\(1\)w
version/cisco ios/12.0\(14\)s7
version/cisco ios/12.0\(16\)s8
version/cisco ios/12.0\(4\)xm
version/cisco ios/12.0\(7\)xk
version/cisco ios/12.0\(8.0.2\)s
version/cisco ios/12.0\(8.3\)sc
version/cisco ios/11.1\(15\)ia
version/cisco ios/11.1\(24b\)
version/cisco ios/11.1ca
version/cisco ios/11.2\(19\)gs0.2
version/cisco ios/11.2\(4\)f1
version/cisco ios/11.2wa4
version/cisco ios/12.0\(1\)xe
version/cisco ios/12.0\(11\)st4
version/cisco ios/11.1cc
version/cisco ios/11.3
version/cisco ios/11.3\(1\)ed
version/cisco ios/11.3\(7\)db1
version/cisco ios/12.0\(10\)s7
version/cisco ios/12.0\(10\)w5
version/cisco ios/12.0\(12a\)
version/cisco ios/12.0\(14\)w5\(20\)
version/cisco ios/12.0\(14a\)
version/cisco ios/12.0\(16\)w5\(21\)
version/cisco ios/12.0\(3d\)
version/cisco ios/12.0\(5.4\)wc1
version/cisco ios/12.0\(7a\)
version/cisco ios/12.0xa
version/cisco ios/12.0xb
version/cisco ios/12.0xu
version/cisco ios/12.0\(14\)st3
version/cisco ios/12.0\(17\)sl2
version/cisco ios/12.0\(3\)
version/cisco ios/12.0\(5\)xe
version/cisco ios/12.0\(5.2\)xu
version/cisco ios/12.0\(7\)t
version/cisco ios/12.0\(7\)t2
version/cisco ios/12.0\(7\)xk3
version/cisco ios/12.0\(7\)xv
version/cisco ios/12.0\(8a\)
version/cisco ios/12.0sc
version/cisco ios/12.0sl
version/cisco ios/12.0xh
version/cisco ios/11.1\(13\)ca
version/cisco ios/11.1\(17\)cc
version/cisco ios/11.2
version/cisco ios/11.2\(26a\)
version/cisco ios/11.2\(8\)sa1
version/cisco ios/11.2p
version/cisco ios/11.3aa
version/cisco ios/11.3db
version/cisco ios/12.0\(1\)
version/cisco ios/12.0\(10\)w5\(18f\)
version/cisco ios/12.0\(10\)w5\(18g\)
version/cisco ios/12.0\(13\)w5\(19c\)
version/cisco ios/12.0\(17\)
version/cisco ios/12.0\(2\)xf
version/cisco ios/12.0\(4\)xe
version/cisco ios/12.0\(6b\)
version/cisco ios/12.0\(7\)dc1
version/cisco ios/12.0\(7\)xf
version/cisco ios/12.0db
version/cisco ios/12.0t
version/cisco ios/11.1\(7\)aa
version/cisco ios/11.1\(7\)ca
version/cisco ios/11.1\(9\)ia
version/cisco ios/11.2\(26b\)
version/cisco ios/11.2\(4\)
version/cisco ios/11.2sa
version/cisco ios/11.3\(11b\)t2
version/cisco ios/12.0\(10a\)
version/cisco ios/12.0\(15a\)
version/cisco ios/12.0\(18\)st1
version/cisco ios/12.0\(2\)xg
version/cisco ios/12.0\(4\)xe1
version/cisco ios/12.0\(7\)s1
version/cisco ios/12.0\(7\)xf1
version/cisco ios/12.0w5
version/cisco ios/11.1\(28a\)ct
version/cisco ios/11.1aa
version/cisco ios/11.2\(17\)
version/cisco ios/11.2\(9\)p
version/cisco ios/11.2\(9\)xa
version/cisco ios/11.3\(11c\)
version/cisco ios/11.3\(2\)xa
version/cisco ios/11.3t
version/cisco ios/12.0\(11a\)
version/cisco ios/12.0\(14\)st
version/cisco ios/11.1
version/cisco ios/11.1\(16\)ia
version/cisco ios/11.1\(28a\)ia
version/cisco ios/11.2\(19a\)gs6
version/cisco ios/11.2\(23a\)bc1
version/cisco ios/11.2\(4\)xa
version/cisco ios/11.3\(8\)db2
version/cisco ios/11.3wa4
version/cisco ios/12.0\(12\)s3
version/cisco ios/12.0\(13\)s6
version/cisco ios/12.0\(17\)st5
version/cisco ios/12.0\(2\)xc
version/cisco ios/12.0\(4\)s
version/cisco ios/12.0\(5\)wc
version/cisco ios/12.0\(5\)wc2
version/cisco ios/12.0\(5\)xn
version/cisco ios/12.0\(7\)wx5\(15a\)
version/cisco ios/12.0\(7\)xe
version/cisco ios/12.0sp
version/cisco ios/12.0xi
version/cisco ios/12.0\(17\)sl6
version/cisco ios/12.0\(17\)st1
version/cisco ios/12.0\(18b\)
version/cisco ios/12.0\(3\)t2
version/cisco ios/12.0\(5\)t
version/cisco ios/12.0\(5\)xk
version/cisco ios/12.0\(5.1\)xp
version/cisco ios/12.0wt
version/cisco ios/12.0wx
version/cisco ios/12.0xg
version/cisco ios/11.1\(13\)aa
version/cisco ios/11.1\(17\)ct
version/cisco ios/11.1\(36\)cc2
version/cisco ios/11.1\(36\)cc4
version/cisco ios/11.2\(26\)p2
version/cisco ios/11.2gs
version/cisco ios/11.3\(1\)t
version/cisco ios/11.3\(11\)b
version/cisco ios/12.0
version/cisco ios/12.0\(15\)s6
version/cisco ios/12.0\(18\)s
version/cisco ios/12.0\(2\)xe
version/cisco ios/12.0\(4\)t
version/cisco ios/12.0\(5\)wc2b
version/cisco ios/12.0\(5\)xn1
version/cisco ios/12.0\(5\)xs
version/cisco ios/12.0\(7\)xe2
version/cisco ios/12.0\(8\)
version/cisco ios/12.0da
version/cisco ios/12.0sx
version/cisco ios/12.0xm
version/cisco ios/12.0xv
version/cisco ios/12.0xw
version/cisco ios/11.1\(24a\)
version/cisco ios/11.2\(10\)bc
version/cisco ios/11.2\(11b\)t2
version/cisco ios/11.2\(8\)sa5
version/cisco ios/11.2\(8.9\)sa6
version/cisco ios/11.2wa3
version/cisco ios/11.3ha
version/cisco ios/12.0\(1\)xa3
version/cisco ios/12.0\(11\)s6
version/cisco ios/12.0\(13a\)
version/cisco ios/12.0\(17\)s
version/cisco ios/12.0\(17\)s4
version/cisco ios/12.0\(18\)w5\(22b\)
version/cisco ios/12.0\(2b\)
version/cisco ios/12.0\(4\)xm1
version/cisco ios/12.0\(5\)wc3b
version/cisco ios/12.0\(5\)wx
version/cisco ios/12.0\(5\)xu
version/cisco ios/12.0s
version/cisco ios/12.0wc
version/cisco ios/12.0xf
version/cisco ios/12.0xn
version/cisco ios/12.0xp