CVE-2005-1020 - CVE House
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Status published High CVE-2005-1020

Secure Shell (SSH) 2 in Cisco IOS 12.0 through 12.3...

Vulnerability Description

Secure Shell (SSH) 2 in Cisco IOS 12.0 through 12.3 allows remote attackers to cause a denial of service (device reload) (1) via a username that contains a domain name when using a TACACS+ server to authenticate, (2) when a new SSH session is in the login phase and a currently logged in user issues a send command, or (3) when IOS is logging messages and an SSH session is terminated while the server is sending data.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

ios
Vulnerable Versions:
12.0, 12.0\(23\)s4, 12.0\(23\)s5, 12.0\(24\)s1, 12.0\(24\)s4, 12.0\(24\)s5, 12.0\(24.2\)s, 12.0\(26\)s1, 12.0\(27\)s, 12.0\(27\)sv, 12.0\(27\)sv1, 12.0da, 12.0db, 12.0dc, 12.0s, 12.0sc, 12.0sl, 12.0sp, 12.0st, 12.0sv, 12.0sx, 12.0sy, 12.0sz, 12.0t, 12.0w5, 12.0wc, 12.0wt, 12.0wx, 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, 12.0xn, 12.0xp, 12.0xq, 12.0xr, 12.0xs, 12.0xt, 12.0xu, 12.0xv, 12.0xw, 12.1, 12.1\(11\)e, 12.1\(11b\)e, 12.1\(11b\)e12, 12.1\(11b\)e14, 12.1\(13\)e9, 12.1\(19\)e1, 12.1\(20\)e, 12.1\(20\)e1, 12.1\(20\)e2, 12.1\(20\)ea1, 12.1\(20\)ec, 12.1\(20\)ec1, 12.1\(20\)eo, 12.1\(20\)ew, 12.1\(20\)ew1, 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, 12.1m, 12.1t, 12.1xa, 12.1xb, 12.1xc, 12.1xd, 12.1xe, 12.1xf, 12.1xg, 12.1xh, 12.1xi, 12.1xj, 12.1xk, 12.1xl, 12.1xm, 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, 12.2\(1\)xa, 12.2\(1\)xd, 12.2\(1\)xd1, 12.2\(1\)xd3, 12.2\(1\)xd4, 12.2\(1\)xe, 12.2\(1\)xe2, 12.2\(1\)xe3, 12.2\(1\)xh, 12.2\(1\)xq, 12.2\(1\)xs, 12.2\(1\)xs1, 12.2\(2\)t4, 12.2\(2\)xa, 12.2\(2\)xa1, 12.2\(2\)xa5, 12.2\(2\)xb, 12.2\(2\)xb3, 12.2\(2\)xb4, 12.2\(2\)xf, 12.2\(2\)xg, 12.2\(2\)xh, 12.2\(2\)xh2, 12.2\(2\)xh3, 12.2\(2\)xi, 12.2\(2\)xi1, 12.2\(2\)xi2, 12.2\(2\)xj, 12.2\(2\)xj1, 12.2\(2\)xk, 12.2\(2\)xk2, 12.2\(2\)xn, 12.2\(2\)xt, 12.2\(2\)xt3, 12.2\(2\)xu, 12.2\(2\)xu2, 12.2\(4\)ja, 12.2\(4\)ja1, 12.2\(8\)ja, 12.2\(11\)ja, 12.2\(11\)ja1, 12.2\(11\)t, 12.2\(12g\), 12.2\(12h\), 12.2\(14\)sy, 12.2\(14\)sy1, 12.2\(14\)sz, 12.2\(14\)za, 12.2\(14\)za2, 12.2\(14.5\), 12.2\(14.5\)t, 12.2\(15\)zn, 12.2\(15.1\)s, 12.2\(16\)b, 12.2\(16.1\)b, 12.2\(17a\)sxa, 12.2\(18\)ew, 12.2\(18\)ewa, 12.2\(18\)s, 12.2\(18\)se, 12.2\(18\)sv, 12.2\(18\)sw, 12.2\(20\)ew, 12.2\(20\)s, 12.2\(20\)s1, 12.2\(21\), 12.2\(21a\), 12.2\(23\), 12.2b, 12.2bc, 12.2bw, 12.2bx, 12.2by, 12.2bz, 12.2cx, 12.2cy, 12.2cz, 12.2da, 12.2dd, 12.2dx, 12.2ew, 12.2ewa, 12.2ja, 12.2jk, 12.2mb, 12.2mc, 12.2mx, 12.2s, 12.2se, 12.2su, 12.2sv, 12.2sw, 12.2sx, 12.2sxa, 12.2sxb, 12.2sxd, 12.2sy, 12.2sz, 12.2t, 12.2x, 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, 12.2xw, 12.2xz, 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, 12.2zi, 12.2zj, 12.2zk, 12.2zl, 12.2zm, 12.2zn, 12.2zo, 12.2zp, 12.2zq, 12.3, 12.3\(2\)t3, 12.3\(2\)xc1, 12.3\(2\)xc2, 12.3\(4\)t, 12.3\(4\)t1, 12.3\(4\)t2, 12.3\(4\)t3, 12.3\(4\)xd, 12.3\(4\)xd1, 12.3\(5\), 12.3\(5a\), 12.3\(5a\)b, 12.3\(5b\), 12.3\(6\), 12.3b, 12.3bc, 12.3bw, 12.3j, 12.3ja, 12.3t, 12.3xa, 12.3xb, 12.3xc, 12.3xd, 12.3xe, 12.3xf, 12.3xg, 12.3xh, 12.3xi, 12.3xj, 12.3xk, 12.3xl, 12.3xm, 12.3xn, 12.3xq, 12.3xr, 12.3xs, 12.3xt, 12.3xu, 12.3xv, 12.3xw, 12.3xx, 12.3xy, 12.3xz, 12.3ya, 12.3yc, 12.3yd, 12.3ye, 12.3yf, 12.3yg, 12.3yh, 12.3yj, 12.3yl

Timeline

Official Publish: April 9th, 2005
Last Modified: August 7th, 2024
Added to House: July 18th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.