Back to Database
Status published
High
CVE-2009-0636
Unspecified vulnerability in Cisco IOS 12.0 through 12.4, when SIP...
Vulnerability Description
Unspecified vulnerability in Cisco IOS 12.0 through 12.4, when SIP voice services are enabled, allows remote attackers to cause a denial of service (device crash) via a valid SIP message.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2009-0636
Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a904c0.shtml
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml
- http://www.securityfocus.com/bid/34243
- http://secunia.com/advisories/34438
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49421
- http://securitytracker.com/id?1021902
- http://www.vupen.com/english/advisories/2009/0851
More from cisco
View All →CVE-2025-27091
OpenH264 Decoding Functions Heap Overflow Vulnerability
High
8.6
CVE-2023-25653
Improper calculations in ECC implementation can trigger a Denial-of-Service (DoS)
High
7.5
CVE-2021-33478
The TrustZone implementation in certain Broadcom MediaxChange firmware could allow...
Medium
6.8
CVE-2020-16139
A denial-of-service in Cisco Unified IP Conference Station 7937G 1-4-4-0...
High
7.5
CVE-2020-16138
A denial-of-service issue in Cisco Unified IP Conference Station 7937G...
High
7.5
Affected Vendor
cisco
View all reports →Affected Software
ios
Vulnerable Versions:
12.0, 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, 12.0wx, 12.0xa, 12.0xb, 12.0xc, 12.0xd, 12.0xe, 12.0xg, 12.0xh, 12.0xi, 12.0xj, 12.0xk, 12.0xl, 12.0xm, 12.0xn, 12.0xq, 12.0xr, 12.0xs, 12.0xt, 12.0xv, 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, 12.1ga, 12.1gb, 12.1t, 12.1xa, 12.1xb, 12.1xc, 12.1xd, 12.1xe, 12.1xf, 12.1xg, 12.1xh, 12.1xi, 12.1xj, 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, 12.2b, 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, 12.2ex, 12.2ey, 12.2ez, 12.2fx, 12.2fy, 12.2fz, 12.2ira, 12.2irb, 12.2ixa, 12.2ixb, 12.2ixc, 12.2ixd, 12.2ixe, 12.2ixf, 12.2ixg, 12.2ja, 12.2jk, 12.2mb, 12.2mc, 12.2s, 12.2sb, 12.2sbc, 12.2sca, 12.2scb, 12.2se, 12.2sea, 12.2seb, 12.2sec, 12.2sed, 12.2see, 12.2sef, 12.2seg, 12.2sg, 12.2sga, 12.2sm, 12.2so, 12.2sq, 12.2sra, 12.2srb, 12.2src, 12.2srd, 12.2ste, 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, 12.2sxh, 12.2sxi, 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, 12.2xna, 12.2xnb, 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, 12.2yt, 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, 12.3, 12.3b, 12.3bc, 12.3bw, 12.3ja, 12.3jea, 12.3jeb, 12.3jec, 12.3jk, 12.3jl, 12.3jx, 12.3t, 12.3tpc, 12.3va, 12.3xa, 12.3xb, 12.3xc, 12.3xd, 12.3xe, 12.3xf, 12.3xg, 12.3xi, 12.3xj, 12.3xk, 12.3xl, 12.3xq, 12.3xr, 12.3xs, 12.3xu, 12.3xw, 12.3xx, 12.3xy, 12.3xz, 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, 12.4ja, 12.4jda, 12.4jk, 12.4jl, 12.4jma, 12.4jmb, 12.4jx, 12.4md, 12.4mr, 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, 12.4xq, 12.4xr, 12.4xt, 12.4xv, 12.4xw, 12.4xy, 12.4xz, 12.4ya
Timeline
Official Publish:
March 27th, 2009
Last Modified:
August 7th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.