CVE-2011-3276 - CVE House
Back to Database
Status published High CVE-2011-3276

Unspecified vulnerability in the NAT implementation in Cisco IOS 12.1...

Vulnerability Description

Unspecified vulnerability in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (device reload or hang) by sending crafted SIP packets to TCP port 5060, aka Bug ID CSCso02147.

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-2011-3276

Credits & Attribution

No credits recorded in the NVD database.

References

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

Affected Software

ios xe, ios
Vulnerable Versions:
3.1.0sg, 3.1.1sg, 12.1, 12.1e, 12.2, 12.2b, 12.2bc, 12.2bx, 12.2cx, 12.2cz, 12.2ew, 12.2ewa, 12.2ex, 12.2ey, 12.2ez, 12.2fx, 12.2fy, 12.2fz, 12.2ira, 12.2irb, 12.2irc, 12.2ird, 12.2ire, 12.2irf, 12.2ixa, 12.2ixb, 12.2ixc, 12.2ixd, 12.2ixe, 12.2ixf, 12.2ixg, 12.2ixh, 12.2mc, 12.2mra, 12.2mrb, 12.2s, 12.2sb, 12.2sbc, 12.2sca, 12.2scb, 12.2scc, 12.2scd, 12.2sce, 12.2se, 12.2sea, 12.2seb, 12.2sec, 12.2sed, 12.2see, 12.2sef, 12.2seg, 12.2sg, 12.2sga, 12.2sm, 12.2sq, 12.2sra, 12.2srb, 12.2src, 12.2srd, 12.2sre, 12.2su, 12.2sv, 12.2sw, 12.2sx, 12.2sxa, 12.2sxb, 12.2sxd, 12.2sxe, 12.2sxf, 12.2sxh, 12.2sxi, 12.2sxj, 12.2sy, 12.2sz, 12.2t, 12.2tpc, 12.2xb, 12.2xna, 12.2xnb, 12.2xnc, 12.2xne, 12.2xnf, 12.2xo, 12.2ya, 12.2yf, 12.2yg, 12.2yh, 12.2yj, 12.2yl, 12.2ym, 12.2yn, 12.2yq, 12.2yr, 12.2ys, 12.2yt, 12.2yu, 12.2yv, 12.2yw, 12.2yx, 12.2yy, 12.2yz, 12.2za, 12.2zb, 12.2ze, 12.2zf, 12.2zh, 12.2zl, 12.2zu, 12.2zx, 12.2zy, 12.2zya, 12.3, 12.3b, 12.3bc, 12.3bw, 12.3jk, 12.3t, 12.3tpc, 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, 12.3xz, 12.3ya, 12.3yj, 12.3yq, 12.3ys, 12.3yt, 12.3yu, 12.3yx, 12.3yz, 12.3za, 12.4, 12.4gc, 12.4jx, 12.4md, 12.4mda, 12.4mdb, 12.4mr, 12.4mra, 12.4mrb, 12.4t, 12.4xa, 12.4xb, 12.4xd, 12.4xf, 12.4xg, 12.4xl, 12.4xm, 12.4xn, 12.4xp, 12.4xq, 12.4xr, 12.4xt, 12.4xw, 12.4xy, 12.4xz, 12.4ya, 12.4yb, 12.4yd, 12.4ye, 12.4yg, 15.0m, 15.0mr, 15.0mra, 15.0s, 15.0sa, 15.0sg, 15.0xa, 15.0xo, 15.1ey, 15.1gc, 15.1m, 15.1s, 15.1t, 15.1xb

Timeline

Official Publish: October 3rd, 2011
Last Modified: September 17th, 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.